61312720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{15641}}^1$

素因数の和:15668

約数の個数: 60

約数和(自身を含む): 165836484

約数和(自身を除く): 104523764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 15641, 31282, 62564, 78205, 109487, 125128, 156410, 218974, 250256, 312820, 437948, 547435, 625640, 766409, 875896, 1094870, 1251280, 1532818, 1751792, 2189740, 3065636, 3832045, 4379480, 6131272, 7664090, 8758960, 12262544, 15328180, 30656360, 61312720]

約数ペア:

[(1, 61312720), (2, 30656360), (4, 15328180), (5, 12262544), (7, 8758960), (8, 7664090), (10, 6131272), (14, 4379480), (16, 3832045), (20, 3065636), (28, 2189740), (35, 1751792), (40, 1532818), (49, 1251280), (56, 1094870), (70, 875896), (80, 766409), (98, 625640), (112, 547435), (140, 437948), (196, 312820), (245, 250256), (280, 218974), (392, 156410), (490, 125128), (560, 109487), (784, 78205), (980, 62564), (1960, 31282), (3920, 15641)]