The factors of the number 4,028,760 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 361, 372, 380, 456, 465, 558, 570, 589, 620, 684, 722, 744, 760, 855, 930, 1083, 1116, 1140, 1178, 1240, 1368, 1395, 1444, 1710, 1767, 1805, 1860, 2166, 2232, 2280, 2356, 2790, 2888, 2945, 3249, 3420, 3534, 3610, 3720, 4332, 4712, 5301, 5415, 5580, 5890, 6498, 6840, 7068, 7220, 8664, 8835, 10602, 10830, 11160, 11191, 11780, 12996, 14136, 14440, 16245, 17670, 21204, 21660, 22382, 23560, 25992, 26505, 32490, 33573, 35340, 42408, 43320, 44764, 53010, 55955, 64980, 67146, 70680, 89528, 100719, 106020, 111910, 129960, 134292, 167865, 201438, 212040, 223820, 268584, 335730, 402876, 447640, 503595, 671460, 805752, 1007190, 1342920, 2014380, 4028760.
If you add them up, you will get the total of 14,264,640.