The factors of the number 53,515,440 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 99, 110, 116, 120, 132, 144, 145, 165, 174, 176, 180, 198, 220, 232, 233, 240, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 464, 466, 495, 522, 528, 580, 638, 660, 696, 699, 720, 792, 870, 880, 932, 957, 990, 1044, 1160, 1165, 1276, 1305, 1320, 1392, 1398, 1584, 1595, 1740, 1864, 1914, 1980, 2088, 2097, 2320, 2330, 2552, 2563, 2610, 2640, 2796, 2871, 3190, 3480, 3495, 3728, 3828, 3960, 4176, 4194, 4660, 4785, 5104, 5126, 5220, 5592, 5742, 6380, 6757, 6960, 6990, 7656, 7689, 7920, 8388, 9320, 9570, 10252, 10440, 10485, 11184, 11484, 12760, 12815, 13514, 13980, 14355, 15312, 15378, 16776, 18640, 19140, 20271, 20504, 20880, 20970, 22968, 23067, 25520, 25630, 27028, 27960, 28710, 30756, 33552, 33785, 38280, 38445, 40542, 41008, 41940, 45936, 46134, 51260, 54056, 55920, 57420, 60813, 61512, 67570, 74327, 76560, 76890, 81084, 83880, 92268, 101355, 102520, 108112, 114840, 115335, 121626, 123024, 135140, 148654, 153780, 162168, 167760, 184536, 202710, 205040, 222981, 229680, 230670, 243252, 270280, 297308, 304065, 307560, 324336, 369072, 371635, 405420, 445962, 461340, 486504, 540560, 594616, 608130, 615120, 668943, 743270, 810840, 891924, 922680, 973008, 1114905, 1189232, 1216260, 1337886, 1486540, 1621680, 1783848, 1845360, 2229810, 2432520, 2675772, 2973080, 3344715, 3567696, 4459620, 4865040, 5351544, 5946160, 6689430, 8919240, 10703088, 13378860, 17838480, 26757720, 53515440.
If you add them up, you will get the total of 203,692,320.