156677920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139891}}^1$

素因数の和:139913

約数の個数: 48

約数和(自身を含む): 423033408

約数和(自身を除く): 266355488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 139891, 279782, 559564, 699455, 979237, 1119128, 1398910, 1958474, 2238256, 2797820, 3916948, 4476512, 4896185, 5595640, 7833896, 9792370, 11191280, 15667792, 19584740, 22382560, 31335584, 39169480, 78338960, 156677920]

約数ペア:

[(1, 156677920), (2, 78338960), (4, 39169480), (5, 31335584), (7, 22382560), (8, 19584740), (10, 15667792), (14, 11191280), (16, 9792370), (20, 7833896), (28, 5595640), (32, 4896185), (35, 4476512), (40, 3916948), (56, 2797820), (70, 2238256), (80, 1958474), (112, 1398910), (140, 1119128), (160, 979237), (224, 699455), (280, 559564), (560, 279782), (1120, 139891)]