90901120

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 218832840

約数和(自身を除く): 127931720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 821, 865, 1384, 1642, 1730, 2768, 3284, 3460, 4105, 5536, 6568, 6920, 8210, 11072, 13136, 13840, 16420, 22144, 26272, 27680, 32840, 52544, 55360, 65680, 105088, 110720, 131360, 142033, 262720, 284066, 525440, 568132, 710165, 1136264, 1420330, 2272528, 2840660, 4545056, 5681320, 9090112, 11362640, 18180224, 22725280, 45450560, 90901120]

約数ペア:

[(1, 90901120), (2, 45450560), (4, 22725280), (5, 18180224), (8, 11362640), (10, 9090112), (16, 5681320), (20, 4545056), (32, 2840660), (40, 2272528), (64, 1420330), (80, 1136264), (128, 710165), (160, 568132), (173, 525440), (320, 284066), (346, 262720), (640, 142033), (692, 131360), (821, 110720), (865, 105088), (1384, 65680), (1642, 55360), (1730, 52544), (2768, 32840), (3284, 27680), (3460, 26272), (4105, 22144), (5536, 16420), (6568, 13840), (6920, 13136), (8210, 11072)]