257988540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4299809}}^1$

素因数の和:4299821

約数の個数: 24

約数和(自身を含む): 722368080

約数和(自身を除く): 464379540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4299809, 8599618, 12899427, 17199236, 21499045, 25798854, 42998090, 51597708, 64497135, 85996180, 128994270, 257988540]

約数ペア:

[(1, 257988540), (2, 128994270), (3, 85996180), (4, 64497135), (5, 51597708), (6, 42998090), (10, 25798854), (12, 21499045), (15, 17199236), (20, 12899427), (30, 8599618), (60, 4299809)]