30315280

素因数分解:

$2^4\times 5^1\times {\mathrm{378941}}^1$

素因数の和:378954

約数の個数: 20

約数和(自身を含む): 70483212

約数和(自身を除く): 40167932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378941, 757882, 1515764, 1894705, 3031528, 3789410, 6063056, 7578820, 15157640, 30315280]

約数ペア:

[(1, 30315280), (2, 15157640), (4, 7578820), (5, 6063056), (8, 3789410), (10, 3031528), (16, 1894705), (20, 1515764), (40, 757882), (80, 378941)]