128413860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2140231}}^1$

素因数の和:2140243

約数の個数: 24

約数和(自身を含む): 359558976

約数和(自身を除く): 231145116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2140231, 4280462, 6420693, 8560924, 10701155, 12841386, 21402310, 25682772, 32103465, 42804620, 64206930, 128413860]

約数ペア:

[(1, 128413860), (2, 64206930), (3, 42804620), (4, 32103465), (5, 25682772), (6, 21402310), (10, 12841386), (12, 10701155), (15, 8560924), (20, 6420693), (30, 4280462), (60, 2140231)]