172721940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2878699}}^1$

素因数の和:2878711

約数の個数: 24

約数和(自身を含む): 483621600

約数和(自身を除く): 310899660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2878699, 5757398, 8636097, 11514796, 14393495, 17272194, 28786990, 34544388, 43180485, 57573980, 86360970, 172721940]

約数ペア:

[(1, 172721940), (2, 86360970), (3, 57573980), (4, 43180485), (5, 34544388), (6, 28786990), (10, 17272194), (12, 14393495), (15, 11514796), (20, 8636097), (30, 5757398), (60, 2878699)]