The factors of the number 15,377,760 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 181, 236, 240, 288, 295, 354, 360, 362, 472, 480, 531, 543, 590, 708, 720, 724, 885, 905, 944, 1062, 1086, 1180, 1416, 1440, 1448, 1629, 1770, 1810, 1888, 2124, 2172, 2360, 2655, 2715, 2832, 2896, 3258, 3540, 3620, 4248, 4344, 4720, 5310, 5430, 5664, 5792, 6516, 7080, 7240, 8145, 8496, 8688, 9440, 10620, 10679, 10860, 13032, 14160, 14480, 16290, 16992, 17376, 21240, 21358, 21720, 26064, 28320, 28960, 32037, 32580, 42480, 42716, 43440, 52128, 53395, 64074, 65160, 84960, 85432, 86880, 96111, 106790, 128148, 130320, 160185, 170864, 192222, 213580, 256296, 260640, 320370, 341728, 384444, 427160, 480555, 512592, 640740, 768888, 854320, 961110, 1025184, 1281480, 1537776, 1708640, 1922220, 2562960, 3075552, 3844440, 5125920, 7688880, 15377760.
If you add them up, you will get the total of 53,660,880.