30178960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53891}}^1$

素因数の和:53911

約数の個数: 40

約数和(自身を含む): 80191296

約数和(自身を除く): 50012336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 53891, 107782, 215564, 269455, 377237, 431128, 538910, 754474, 862256, 1077820, 1508948, 1886185, 2155640, 3017896, 3772370, 4311280, 6035792, 7544740, 15089480, 30178960]

約数ペア:

[(1, 30178960), (2, 15089480), (4, 7544740), (5, 6035792), (7, 4311280), (8, 3772370), (10, 3017896), (14, 2155640), (16, 1886185), (20, 1508948), (28, 1077820), (35, 862256), (40, 754474), (56, 538910), (70, 431128), (80, 377237), (112, 269455), (140, 215564), (280, 107782), (560, 53891)]