15491640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{129097}}^1$

素因数の和:129111

約数の個数: 32

約数和(自身を含む): 46475280

約数和(自身を除く): 30983640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 129097, 258194, 387291, 516388, 645485, 774582, 1032776, 1290970, 1549164, 1936455, 2581940, 3098328, 3872910, 5163880, 7745820, 15491640]

約数ペア:

[(1, 15491640), (2, 7745820), (3, 5163880), (4, 3872910), (5, 3098328), (6, 2581940), (8, 1936455), (10, 1549164), (12, 1290970), (15, 1032776), (20, 774582), (24, 645485), (30, 516388), (40, 387291), (60, 258194), (120, 129097)]