128412420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2140207}}^1$

素因数の和:2140219

約数の個数: 24

約数和(自身を含む): 359554944

約数和(自身を除く): 231142524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2140207, 4280414, 6420621, 8560828, 10701035, 12841242, 21402070, 25682484, 32103105, 42804140, 64206210, 128412420]

約数ペア:

[(1, 128412420), (2, 64206210), (3, 42804140), (4, 32103105), (5, 25682484), (6, 21402070), (10, 12841242), (12, 10701035), (15, 8560828), (20, 6420621), (30, 4280414), (60, 2140207)]