31989360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10253}}^1$

素因数の和:10282

約数の個数: 80

約数和(自身を含む): 106805664

約数和(自身を除く): 74816304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10253, 20506, 30759, 41012, 51265, 61518, 82024, 102530, 123036, 133289, 153795, 164048, 205060, 246072, 266578, 307590, 399867, 410120, 492144, 533156, 615180, 666445, 799734, 820240, 1066312, 1230360, 1332890, 1599468, 1999335, 2132624, 2460720, 2665780, 3198936, 3998670, 5331560, 6397872, 7997340, 10663120, 15994680, 31989360]

約数ペア:

[(1, 31989360), (2, 15994680), (3, 10663120), (4, 7997340), (5, 6397872), (6, 5331560), (8, 3998670), (10, 3198936), (12, 2665780), (13, 2460720), (15, 2132624), (16, 1999335), (20, 1599468), (24, 1332890), (26, 1230360), (30, 1066312), (39, 820240), (40, 799734), (48, 666445), (52, 615180), (60, 533156), (65, 492144), (78, 410120), (80, 399867), (104, 307590), (120, 266578), (130, 246072), (156, 205060), (195, 164048), (208, 153795), (240, 133289), (260, 123036), (312, 102530), (390, 82024), (520, 61518), (624, 51265), (780, 41012), (1040, 30759), (1560, 20506), (3120, 10253)]