The factors of the number 152,205,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 109, 111, 148, 170, 185, 204, 218, 222, 255, 327, 340, 370, 436, 444, 510, 545, 555, 629, 654, 740, 1020, 1090, 1110, 1258, 1308, 1369, 1635, 1853, 1887, 2180, 2220, 2516, 2738, 3145, 3270, 3706, 3774, 4033, 4107, 5476, 5559, 6290, 6540, 6845, 7412, 7548, 8066, 8214, 9265, 9435, 11118, 12099, 12580, 13690, 16132, 16428, 18530, 18870, 20165, 20535, 22236, 23273, 24198, 27380, 27795, 37060, 37740, 40330, 41070, 46546, 48396, 55590, 60495, 68561, 69819, 80660, 82140, 93092, 111180, 116365, 120990, 137122, 139638, 149221, 205683, 232730, 241980, 274244, 279276, 298442, 342805, 349095, 411366, 447663, 465460, 596884, 685610, 698190, 746105, 822732, 895326, 1028415, 1371220, 1396380, 1492210, 1790652, 2056830, 2238315, 2536757, 2984420, 4113660, 4476630, 5073514, 7610271, 8953260, 10147028, 12683785, 15220542, 25367570, 30441084, 38051355, 50735140, 76102710, 152205420.
If you add them up, you will get the total of 468,024,480.