120315280

素因数分解:

$2^4\times 5^1\times {\mathrm{1503941}}^1$

素因数の和:1503954

約数の個数: 20

約数和(自身を含む): 279733212

約数和(自身を除く): 159417932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1503941, 3007882, 6015764, 7519705, 12031528, 15039410, 24063056, 30078820, 60157640, 120315280]

約数ペア:

[(1, 120315280), (2, 60157640), (4, 30078820), (5, 24063056), (8, 15039410), (10, 12031528), (16, 7519705), (20, 6015764), (40, 3007882), (80, 1503941)]