155902660

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{61379}}^1$

素因数の和:61515

約数の個数: 24

約数和(自身を含む): 329978880

約数和(自身を除く): 174076220

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 61379, 122758, 245516, 306895, 613790, 1227580, 7795133, 15590266, 31180532, 38975665, 77951330, 155902660]

約数ペア:

[(1, 155902660), (2, 77951330), (4, 38975665), (5, 31180532), (10, 15590266), (20, 7795133), (127, 1227580), (254, 613790), (508, 306895), (635, 245516), (1270, 122758), (2540, 61379)]