The factors of the number 5,046,720 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 751, 840, 960, 1120, 1344, 1502, 1680, 2240, 2253, 3004, 3360, 3755, 4506, 5257, 6008, 6720, 7510, 9012, 10514, 11265, 12016, 15020, 15771, 18024, 21028, 22530, 24032, 26285, 30040, 31542, 36048, 42056, 45060, 48064, 52570, 60080, 63084, 72096, 78855, 84112, 90120, 105140, 120160, 126168, 144192, 157710, 168224, 180240, 210280, 240320, 252336, 315420, 336448, 360480, 420560, 504672, 630840, 720960, 841120, 1009344, 1261680, 1682240, 2523360, 5046720.
If you add them up, you will get the total of 18,336,768.