74071980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5209}}^1$

素因数の和:5303

約数の個数: 72

約数和(自身を含む): 227572800

約数和(自身を除く): 153500820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5209, 7110, 10418, 14220, 15627, 20836, 26045, 31254, 46881, 52090, 62508, 78135, 93762, 104180, 156270, 187524, 234405, 312540, 411511, 468810, 823022, 937620, 1234533, 1646044, 2057555, 2469066, 3703599, 4115110, 4938132, 6172665, 7407198, 8230220, 12345330, 14814396, 18517995, 24690660, 37035990, 74071980]

約数ペア:

[(1, 74071980), (2, 37035990), (3, 24690660), (4, 18517995), (5, 14814396), (6, 12345330), (9, 8230220), (10, 7407198), (12, 6172665), (15, 4938132), (18, 4115110), (20, 3703599), (30, 2469066), (36, 2057555), (45, 1646044), (60, 1234533), (79, 937620), (90, 823022), (158, 468810), (180, 411511), (237, 312540), (316, 234405), (395, 187524), (474, 156270), (711, 104180), (790, 93762), (948, 78135), (1185, 62508), (1422, 52090), (1580, 46881), (2370, 31254), (2844, 26045), (3555, 20836), (4740, 15627), (5209, 14220), (7110, 10418)]