The factors of the number 3,993,120 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 59, 60, 72, 80, 90, 94, 96, 118, 120, 141, 144, 160, 177, 180, 188, 235, 236, 240, 282, 288, 295, 354, 360, 376, 423, 470, 472, 480, 531, 564, 590, 705, 708, 720, 752, 846, 885, 940, 944, 1062, 1128, 1180, 1410, 1416, 1440, 1504, 1692, 1770, 1880, 1888, 2115, 2124, 2256, 2360, 2655, 2773, 2820, 2832, 3384, 3540, 3760, 4230, 4248, 4512, 4720, 5310, 5546, 5640, 5664, 6768, 7080, 7520, 8319, 8460, 8496, 9440, 10620, 11092, 11280, 13536, 13865, 14160, 16638, 16920, 16992, 21240, 22184, 22560, 24957, 27730, 28320, 33276, 33840, 41595, 42480, 44368, 49914, 55460, 66552, 67680, 83190, 84960, 88736, 99828, 110920, 124785, 133104, 166380, 199656, 221840, 249570, 266208, 332760, 399312, 443680, 499140, 665520, 798624, 998280, 1331040, 1996560, 3993120.
If you add them up, you will get the total of 14,152,320.