The factors of the number 1,800,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 121, 124, 132, 155, 160, 165, 176, 186, 220, 240, 242, 248, 264, 310, 330, 341, 352, 363, 372, 440, 465, 480, 484, 496, 528, 605, 620, 660, 682, 726, 744, 880, 930, 968, 992, 1023, 1056, 1210, 1240, 1320, 1364, 1452, 1488, 1705, 1760, 1815, 1860, 1936, 2046, 2420, 2480, 2640, 2728, 2904, 2976, 3410, 3630, 3720, 3751, 3872, 4092, 4840, 4960, 5115, 5280, 5456, 5808, 6820, 7260, 7440, 7502, 8184, 9680, 10230, 10912, 11253, 11616, 13640, 14520, 14880, 15004, 16368, 18755, 19360, 20460, 22506, 27280, 29040, 30008, 32736, 37510, 40920, 45012, 54560, 56265, 58080, 60016, 75020, 81840, 90024, 112530, 120032, 150040, 163680, 180048, 225060, 300080, 360096, 450120, 600160, 900240, 1800480.
If you add them up, you will get the total of 6,435,072.