71745280

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 179397792

約数和(自身を除く): 107652512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2437, 2944, 3680, 4874, 5888, 7360, 9748, 12185, 14720, 19496, 24370, 29440, 38992, 48740, 56051, 77984, 97480, 112102, 155968, 194960, 224204, 280255, 311936, 389920, 448408, 560510, 623872, 779840, 896816, 1121020, 1559680, 1793632, 2242040, 3119360, 3587264, 4484080, 7174528, 8968160, 14349056, 17936320, 35872640, 71745280]

約数ペア:

[(1, 71745280), (2, 35872640), (4, 17936320), (5, 14349056), (8, 8968160), (10, 7174528), (16, 4484080), (20, 3587264), (23, 3119360), (32, 2242040), (40, 1793632), (46, 1559680), (64, 1121020), (80, 896816), (92, 779840), (115, 623872), (128, 560510), (160, 448408), (184, 389920), (230, 311936), (256, 280255), (320, 224204), (368, 194960), (460, 155968), (640, 112102), (736, 97480), (920, 77984), (1280, 56051), (1472, 48740), (1840, 38992), (2437, 29440), (2944, 24370), (3680, 19496), (4874, 14720), (5888, 12185), (7360, 9748)]