87290840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23981}}^1$

素因数の和:24012

約数の個数: 64

約数和(自身を含む): 241738560

約数和(自身を除く): 154447720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 23981, 47962, 95924, 119905, 167867, 191848, 239810, 311753, 335734, 479620, 623506, 671468, 839335, 959240, 1247012, 1342936, 1558765, 1678670, 2182271, 2494024, 3117530, 3357340, 4364542, 6235060, 6714680, 8729084, 10911355, 12470120, 17458168, 21822710, 43645420, 87290840]

約数ペア:

[(1, 87290840), (2, 43645420), (4, 21822710), (5, 17458168), (7, 12470120), (8, 10911355), (10, 8729084), (13, 6714680), (14, 6235060), (20, 4364542), (26, 3357340), (28, 3117530), (35, 2494024), (40, 2182271), (52, 1678670), (56, 1558765), (65, 1342936), (70, 1247012), (91, 959240), (104, 839335), (130, 671468), (140, 623506), (182, 479620), (260, 335734), (280, 311753), (364, 239810), (455, 191848), (520, 167867), (728, 119905), (910, 95924), (1820, 47962), (3640, 23981)]