31039980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 91010304

約数和(自身を除く): 59970324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 159, 172, 212, 215, 227, 258, 265, 318, 430, 454, 516, 530, 636, 645, 681, 795, 860, 908, 1060, 1135, 1290, 1362, 1590, 2270, 2279, 2580, 2724, 3180, 3405, 4540, 4558, 6810, 6837, 9116, 9761, 11395, 12031, 13620, 13674, 19522, 22790, 24062, 27348, 29283, 34185, 36093, 39044, 45580, 48124, 48805, 58566, 60155, 68370, 72186, 97610, 117132, 120310, 136740, 144372, 146415, 180465, 195220, 240620, 292830, 360930, 517333, 585660, 721860, 1034666, 1551999, 2069332, 2586665, 3103998, 5173330, 6207996, 7759995, 10346660, 15519990, 31039980]

約数ペア:

[(1, 31039980), (2, 15519990), (3, 10346660), (4, 7759995), (5, 6207996), (6, 5173330), (10, 3103998), (12, 2586665), (15, 2069332), (20, 1551999), (30, 1034666), (43, 721860), (53, 585660), (60, 517333), (86, 360930), (106, 292830), (129, 240620), (159, 195220), (172, 180465), (212, 146415), (215, 144372), (227, 136740), (258, 120310), (265, 117132), (318, 97610), (430, 72186), (454, 68370), (516, 60155), (530, 58566), (636, 48805), (645, 48124), (681, 45580), (795, 39044), (860, 36093), (908, 34185), (1060, 29283), (1135, 27348), (1290, 24062), (1362, 22790), (1590, 19522), (2270, 13674), (2279, 13620), (2580, 12031), (2724, 11395), (3180, 9761), (3405, 9116), (4540, 6837), (4558, 6810)]