15291420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{254857}}^1$

素因数の和:254869

約数の個数: 24

約数和(自身を含む): 42816144

約数和(自身を除く): 27524724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 254857, 509714, 764571, 1019428, 1274285, 1529142, 2548570, 3058284, 3822855, 5097140, 7645710, 15291420]

約数ペア:

[(1, 15291420), (2, 7645710), (3, 5097140), (4, 3822855), (5, 3058284), (6, 2548570), (10, 1529142), (12, 1274285), (15, 1019428), (20, 764571), (30, 509714), (60, 254857)]