Q: What is the sum of all factors of the number 128,520 excluding 128,520?
A: 389,880
The factors of the number 128,520 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3213, 3570, 3672, 3780, 4284, 4590, 4760, 5355, 6120, 6426, 7140, 7560, 8568, 9180, 10710, 12852, 14280, 16065, 18360, 21420, 25704, 32130, 42840, 64260, 128520.
If you add them up, you will get the total of 128,909. Now subtract 128,520 to get 389,880