7658730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 20386080

約数和(自身を除く): 12727350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 1979, 3870, 3958, 5937, 9895, 11874, 17811, 19790, 29685, 35622, 59370, 85097, 89055, 170194, 178110, 255291, 425485, 510582, 765873, 850970, 1276455, 1531746, 2552910, 3829365, 7658730]

約数ペア:

[(1, 7658730), (2, 3829365), (3, 2552910), (5, 1531746), (6, 1276455), (9, 850970), (10, 765873), (15, 510582), (18, 425485), (30, 255291), (43, 178110), (45, 170194), (86, 89055), (90, 85097), (129, 59370), (215, 35622), (258, 29685), (387, 19790), (430, 17811), (645, 11874), (774, 9895), (1290, 5937), (1935, 3958), (1979, 3870)]