The factors of the number 1,226,880 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 270, 284, 288, 320, 355, 360, 384, 426, 432, 480, 540, 568, 576, 639, 640, 710, 720, 852, 864, 960, 1065, 1080, 1136, 1152, 1278, 1420, 1440, 1704, 1728, 1917, 1920, 2130, 2160, 2272, 2556, 2840, 2880, 3195, 3408, 3456, 3834, 4260, 4320, 4544, 5112, 5680, 5760, 6390, 6816, 7668, 8520, 8640, 9088, 9585, 10224, 11360, 12780, 13632, 15336, 17040, 17280, 19170, 20448, 22720, 25560, 27264, 30672, 34080, 38340, 40896, 45440, 51120, 61344, 68160, 76680, 81792, 102240, 122688, 136320, 153360, 204480, 245376, 306720, 408960, 613440, 1226880.
If you add them up, you will get the total of 1,226,883. Now subtract 1,226,880 to get 3,179,520