81907260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 239500800

約数和(自身を除く): 157593540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 159, 172, 212, 215, 258, 265, 318, 430, 516, 530, 599, 636, 645, 795, 860, 1060, 1198, 1290, 1590, 1797, 2279, 2396, 2580, 2995, 3180, 3594, 4558, 5990, 6837, 7188, 8985, 9116, 11395, 11980, 13674, 17970, 22790, 25757, 27348, 31747, 34185, 35940, 45580, 51514, 63494, 68370, 77271, 95241, 103028, 126988, 128785, 136740, 154542, 158735, 190482, 257570, 309084, 317470, 380964, 386355, 476205, 515140, 634940, 772710, 952410, 1365121, 1545420, 1904820, 2730242, 4095363, 5460484, 6825605, 8190726, 13651210, 16381452, 20476815, 27302420, 40953630, 81907260]

約数ペア:

[(1, 81907260), (2, 40953630), (3, 27302420), (4, 20476815), (5, 16381452), (6, 13651210), (10, 8190726), (12, 6825605), (15, 5460484), (20, 4095363), (30, 2730242), (43, 1904820), (53, 1545420), (60, 1365121), (86, 952410), (106, 772710), (129, 634940), (159, 515140), (172, 476205), (212, 386355), (215, 380964), (258, 317470), (265, 309084), (318, 257570), (430, 190482), (516, 158735), (530, 154542), (599, 136740), (636, 128785), (645, 126988), (795, 103028), (860, 95241), (1060, 77271), (1198, 68370), (1290, 63494), (1590, 51514), (1797, 45580), (2279, 35940), (2396, 34185), (2580, 31747), (2995, 27348), (3180, 25757), (3594, 22790), (4558, 17970), (5990, 13674), (6837, 11980), (7188, 11395), (8985, 9116)]