68398380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8837}}^1$

素因数の和:8895

約数の個数: 72

約数和(自身を含む): 212324112

約数和(自身を除く): 143925732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8837, 17674, 26511, 35348, 44185, 53022, 79533, 88370, 106044, 132555, 159066, 176740, 265110, 318132, 379991, 397665, 530220, 759982, 795330, 1139973, 1519964, 1590660, 1899955, 2279946, 3419919, 3799910, 4559892, 5699865, 6839838, 7599820, 11399730, 13679676, 17099595, 22799460, 34199190, 68398380]

約数ペア:

[(1, 68398380), (2, 34199190), (3, 22799460), (4, 17099595), (5, 13679676), (6, 11399730), (9, 7599820), (10, 6839838), (12, 5699865), (15, 4559892), (18, 3799910), (20, 3419919), (30, 2279946), (36, 1899955), (43, 1590660), (45, 1519964), (60, 1139973), (86, 795330), (90, 759982), (129, 530220), (172, 397665), (180, 379991), (215, 318132), (258, 265110), (387, 176740), (430, 159066), (516, 132555), (645, 106044), (774, 88370), (860, 79533), (1290, 53022), (1548, 44185), (1935, 35348), (2580, 26511), (3870, 17674), (7740, 8837)]