1291260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21521}}^1$

素因数の和:21533

約数の個数: 24

約数和(自身を含む): 3615696

約数和(自身を除く): 2324436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21521, 43042, 64563, 86084, 107605, 129126, 215210, 258252, 322815, 430420, 645630, 1291260]

約数ペア:

[(1, 1291260), (2, 645630), (3, 430420), (4, 322815), (5, 258252), (6, 215210), (10, 129126), (12, 107605), (15, 86084), (20, 64563), (30, 43042), (60, 21521)]