128765600

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2358

約数の個数: 72

約数和(自身を含む): 318917088

約数和(自身を除く): 190151488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2267, 2272, 2840, 3550, 4534, 5680, 7100, 9068, 11335, 11360, 14200, 18136, 22670, 28400, 36272, 45340, 56675, 56800, 72544, 90680, 113350, 160957, 181360, 226700, 321914, 362720, 453400, 643828, 804785, 906800, 1287656, 1609570, 1813600, 2575312, 3219140, 4023925, 5150624, 6438280, 8047850, 12876560, 16095700, 25753120, 32191400, 64382800, 128765600]

約数ペア:

[(1, 128765600), (2, 64382800), (4, 32191400), (5, 25753120), (8, 16095700), (10, 12876560), (16, 8047850), (20, 6438280), (25, 5150624), (32, 4023925), (40, 3219140), (50, 2575312), (71, 1813600), (80, 1609570), (100, 1287656), (142, 906800), (160, 804785), (200, 643828), (284, 453400), (355, 362720), (400, 321914), (568, 226700), (710, 181360), (800, 160957), (1136, 113350), (1420, 90680), (1775, 72544), (2267, 56800), (2272, 56675), (2840, 45340), (3550, 36272), (4534, 28400), (5680, 22670), (7100, 18136), (9068, 14200), (11335, 11360)]