30978660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{991}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 86994432

約数和(自身を除く): 56015772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 991, 1042, 1563, 1982, 2084, 2605, 2973, 3126, 3964, 4955, 5210, 5946, 6252, 7815, 9910, 10420, 11892, 14865, 15630, 19820, 29730, 31260, 59460, 516311, 1032622, 1548933, 2065244, 2581555, 3097866, 5163110, 6195732, 7744665, 10326220, 15489330, 30978660]

約数ペア:

[(1, 30978660), (2, 15489330), (3, 10326220), (4, 7744665), (5, 6195732), (6, 5163110), (10, 3097866), (12, 2581555), (15, 2065244), (20, 1548933), (30, 1032622), (60, 516311), (521, 59460), (991, 31260), (1042, 29730), (1563, 19820), (1982, 15630), (2084, 14865), (2605, 11892), (2973, 10420), (3126, 9910), (3964, 7815), (4955, 6252), (5210, 5946)]