65891640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{549097}}^1$

素因数の和:549111

約数の個数: 32

約数和(自身を含む): 197675280

約数和(自身を除く): 131783640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 549097, 1098194, 1647291, 2196388, 2745485, 3294582, 4392776, 5490970, 6589164, 8236455, 10981940, 13178328, 16472910, 21963880, 32945820, 65891640]

約数ペア:

[(1, 65891640), (2, 32945820), (3, 21963880), (4, 16472910), (5, 13178328), (6, 10981940), (8, 8236455), (10, 6589164), (12, 5490970), (15, 4392776), (20, 3294582), (24, 2745485), (30, 2196388), (40, 1647291), (60, 1098194), (120, 549097)]