The factors of the number 4,878,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 59, 60, 65, 78, 104, 106, 118, 120, 130, 156, 159, 177, 195, 212, 236, 260, 265, 295, 312, 318, 354, 390, 424, 472, 520, 530, 590, 636, 689, 708, 767, 780, 795, 885, 1060, 1180, 1272, 1378, 1416, 1534, 1560, 1590, 1770, 2067, 2120, 2301, 2360, 2756, 3068, 3127, 3180, 3445, 3540, 3835, 4134, 4602, 5512, 6136, 6254, 6360, 6890, 7080, 7670, 8268, 9204, 9381, 10335, 11505, 12508, 13780, 15340, 15635, 16536, 18408, 18762, 20670, 23010, 25016, 27560, 30680, 31270, 37524, 40651, 41340, 46020, 46905, 62540, 75048, 81302, 82680, 92040, 93810, 121953, 125080, 162604, 187620, 203255, 243906, 325208, 375240, 406510, 487812, 609765, 813020, 975624, 1219530, 1626040, 2439060, 4878120.
If you add them up, you will get the total of 16,329,600.