The factors of the number 458,243,520 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 37, 38, 40, 42, 48, 56, 57, 60, 64, 70, 74, 76, 80, 84, 95, 96, 97, 105, 111, 112, 114, 120, 133, 140, 148, 152, 160, 168, 185, 190, 192, 194, 210, 222, 224, 228, 240, 259, 266, 280, 285, 291, 296, 304, 320, 336, 370, 380, 388, 399, 420, 444, 448, 456, 480, 485, 518, 532, 555, 560, 570, 582, 592, 608, 665, 672, 679, 703, 740, 760, 776, 777, 798, 840, 888, 912, 960, 970, 1036, 1064, 1110, 1120, 1140, 1164, 1184, 1216, 1295, 1330, 1344, 1358, 1406, 1455, 1480, 1520, 1552, 1554, 1596, 1680, 1776, 1824, 1843, 1940, 1995, 2037, 2072, 2109, 2128, 2220, 2240, 2280, 2328, 2368, 2590, 2660, 2716, 2812, 2910, 2960, 3040, 3104, 3108, 3192, 3360, 3395, 3515, 3552, 3589, 3648, 3686, 3880, 3885, 3990, 4074, 4144, 4218, 4256, 4440, 4560, 4656, 4921, 5180, 5320, 5432, 5529, 5624, 5820, 5920, 6080, 6208, 6216, 6384, 6720, 6790, 7030, 7104, 7178, 7372, 7760, 7770, 7980, 8148, 8288, 8436, 8512, 8880, 9120, 9215, 9312, 9842, 10185, 10360, 10545, 10640, 10767, 10864, 11058, 11248, 11640, 11840, 12432, 12768, 12901, 13580, 14060, 14356, 14744, 14763, 15520, 15540, 15960, 16296, 16576, 16872, 17760, 17945, 18240, 18430, 18624, 19684, 20370, 20720, 21090, 21280, 21534, 21728, 22116, 22496, 23280, 24605, 24864, 25123, 25536, 25802, 27160, 27645, 28120, 28712, 29488, 29526, 31040, 31080, 31920, 32592, 33744, 35520, 35890, 36860, 38703, 39368, 40740, 41440, 42180, 42560, 43068, 43456, 44232, 44992, 46560, 49210, 49728, 50246, 51604, 53835, 54320, 55290, 56240, 57424, 58976, 59052, 62160, 63840, 64505, 65184, 67488, 68191, 71780, 73720, 73815, 75369, 77406, 78736, 81480, 82880, 84360, 86136, 88464, 93120, 98420, 100492, 103208, 107670, 108640, 110580, 112480, 114848, 117952, 118104, 124320, 125615, 127680, 129010, 130368, 134976, 136382, 143560, 147440, 147630, 150738, 154812, 157472, 162960, 168720, 172272, 176928, 193515, 196840, 200984, 204573, 206416, 215340, 217280, 221160, 224960, 229696, 236208, 248640, 251230, 258020, 272764, 287120, 294880, 295260, 301476, 309624, 314944, 325920, 337440, 340955, 344544, 353856, 376845, 387030, 393680, 401968, 409146, 412832, 430680, 442320, 472416, 477337, 502460, 516040, 545528, 574240, 589760, 590520, 602952, 619248, 651840, 674880, 681910, 689088, 753690, 774060, 787360, 803936, 818292, 825664, 861360, 884640, 944832, 954674, 1004920, 1022865, 1032080, 1091056, 1148480, 1181040, 1205904, 1238496, 1363820, 1432011, 1507380, 1548120, 1574720, 1607872, 1636584, 1722720, 1769280, 1909348, 2009840, 2045730, 2064160, 2182112, 2362080, 2386685, 2411808, 2476992, 2727640, 2864022, 3014760, 3096240, 3273168, 3445440, 3818696, 4019680, 4091460, 4128320, 4364224, 4724160, 4773370, 4823616, 5455280, 5728044, 6029520, 6192480, 6546336, 7160055, 7637392, 8039360, 8182920, 9546740, 10910560, 11456088, 12059040, 12384960, 13092672, 14320110, 15274784, 16365840, 19093480, 21821120, 22912176, 24118080, 28640220, 30549568, 32731680, 38186960, 45824352, 57280440, 65463360, 76373920, 91648704, 114560880, 152747840, 229121760, 458243520.
If you add them up, you will get the total of 1,816,120,320.