The factors of the number 511,504,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 48, 57, 58, 60, 64, 76, 80, 87, 95, 96, 114, 116, 120, 145, 152, 160, 174, 190, 192, 228, 232, 240, 285, 290, 304, 320, 348, 380, 435, 456, 464, 480, 551, 570, 580, 608, 696, 760, 870, 912, 928, 960, 967, 1102, 1140, 1160, 1216, 1392, 1520, 1653, 1740, 1824, 1856, 1934, 2204, 2280, 2320, 2755, 2784, 2901, 3040, 3306, 3480, 3648, 3868, 4408, 4560, 4640, 4835, 5510, 5568, 5802, 6080, 6612, 6960, 7736, 8265, 8816, 9120, 9280, 9670, 11020, 11604, 13224, 13920, 14505, 15472, 16530, 17632, 18240, 18373, 19340, 22040, 23208, 26448, 27840, 28043, 29010, 30944, 33060, 35264, 36746, 38680, 44080, 46416, 52896, 55119, 56086, 58020, 61888, 66120, 73492, 77360, 84129, 88160, 91865, 92832, 105792, 110238, 112172, 116040, 132240, 140215, 146984, 154720, 168258, 176320, 183730, 185664, 220476, 224344, 232080, 264480, 275595, 280430, 293968, 309440, 336516, 367460, 420645, 440952, 448688, 464160, 528960, 532817, 551190, 560860, 587936, 673032, 734920, 841290, 881904, 897376, 928320, 1065634, 1102380, 1121720, 1175872, 1346064, 1469840, 1598451, 1682580, 1763808, 1794752, 2131268, 2204760, 2243440, 2664085, 2692128, 2939680, 3196902, 3365160, 3527616, 4262536, 4409520, 4486880, 5328170, 5384256, 5879360, 6393804, 6730320, 7992255, 8525072, 8819040, 8973760, 10656340, 12787608, 13460640, 15984510, 17050144, 17638080, 21312680, 25575216, 26921280, 31969020, 34100288, 42625360, 51150432, 63938040, 85250720, 102300864, 127876080, 170501440, 255752160, 511504320.
If you add them up, you will get the total of 1,770,278,400.