128420220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2140337}}^1$

素因数の和:2140349

約数の個数: 24

約数和(自身を含む): 359576784

約数和(自身を除く): 231156564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2140337, 4280674, 6421011, 8561348, 10701685, 12842022, 21403370, 25684044, 32105055, 42806740, 64210110, 128420220]

約数ペア:

[(1, 128420220), (2, 64210110), (3, 42806740), (4, 32105055), (5, 25684044), (6, 21403370), (10, 12842022), (12, 10701685), (15, 8561348), (20, 6421011), (30, 4280674), (60, 2140337)]