30656360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15641}}^1$

素因数の和:15666

約数の個数: 48

約数和(自身を含む): 80243460

約数和(自身を除く): 49587100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15641, 31282, 62564, 78205, 109487, 125128, 156410, 218974, 312820, 437948, 547435, 625640, 766409, 875896, 1094870, 1532818, 2189740, 3065636, 3832045, 4379480, 6131272, 7664090, 15328180, 30656360]

約数ペア:

[(1, 30656360), (2, 15328180), (4, 7664090), (5, 6131272), (7, 4379480), (8, 3832045), (10, 3065636), (14, 2189740), (20, 1532818), (28, 1094870), (35, 875896), (40, 766409), (49, 625640), (56, 547435), (70, 437948), (98, 312820), (140, 218974), (196, 156410), (245, 125128), (280, 109487), (392, 78205), (490, 62564), (980, 31282), (1960, 15641)]