The factors of the number 1,564,680 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 59, 60, 65, 68, 78, 85, 102, 104, 118, 120, 130, 136, 156, 170, 177, 195, 204, 221, 236, 255, 260, 295, 312, 340, 354, 390, 408, 442, 472, 510, 520, 590, 663, 680, 708, 767, 780, 884, 885, 1003, 1020, 1105, 1180, 1326, 1416, 1534, 1560, 1768, 1770, 2006, 2040, 2210, 2301, 2360, 2652, 3009, 3068, 3315, 3540, 3835, 4012, 4420, 4602, 5015, 5304, 6018, 6136, 6630, 7080, 7670, 8024, 8840, 9204, 10030, 11505, 12036, 13039, 13260, 15045, 15340, 18408, 20060, 23010, 24072, 26078, 26520, 30090, 30680, 39117, 40120, 46020, 52156, 60180, 65195, 78234, 92040, 104312, 120360, 130390, 156468, 195585, 260780, 312936, 391170, 521560, 782340, 1564680.
If you add them up, you will get the total of 1,564,683. Now subtract 1,564,680 to get 3,878,520