Q: What is the sum of all factors of the number 123,307,680 excluding 123,307,680?
A: 286,238,688
The factors of the number 123,307,680 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 53, 60, 74, 80, 96, 106, 111, 120, 131, 148, 159, 160, 185, 212, 222, 240, 262, 265, 296, 318, 370, 393, 424, 444, 480, 524, 530, 555, 592, 636, 655, 740, 786, 795, 848, 888, 1048, 1060, 1110, 1184, 1272, 1310, 1480, 1572, 1590, 1696, 1776, 1961, 1965, 2096, 2120, 2220, 2544, 2620, 2960, 3144, 3180, 3552, 3922, 3930, 4192, 4240, 4440, 4847, 5088, 5240, 5883, 5920, 6288, 6360, 6943, 7844, 7860, 8480, 8880, 9694, 9805, 10480, 11766, 12576, 12720, 13886, 14541, 15688, 15720, 17760, 19388, 19610, 20829, 20960, 23532, 24235, 25440, 27772, 29082, 29415, 31376, 31440, 34715, 38776, 39220, 41658, 47064, 48470, 55544, 58164, 58830, 62752, 62880, 69430, 72705, 77552, 78440, 83316, 94128, 96940, 104145, 111088, 116328, 117660, 138860, 145410, 155104, 156880, 166632, 188256, 193880, 208290, 222176, 232656, 235320, 256891, 277720, 290820, 313760, 333264, 387760, 416580, 465312, 470640, 513782, 555440, 581640, 666528, 770673, 775520, 833160, 941280, 1027564, 1110880, 1163280, 1284455, 1541346, 1666320, 2055128, 2326560, 2568910, 3082692, 3332640, 3853365, 4110256, 5137820, 6165384, 7706730, 8220512, 10275640, 12330768, 15413460, 20551280, 24661536, 30826920, 41102560, 61653840, 123307680.
If you add them up, you will get the total of 123,307,966. Now subtract 123,307,680 to get 286,238,688