2512720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:668

約数の個数: 60

約数和(自身を含む): 6806484

約数和(自身を除く): 4293764

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, 641, 784, 980, 1282, 1960, 2564, 3205, 3920, 4487, 5128, 6410, 8974, 10256, 12820, 17948, 22435, 25640, 31409, 35896, 44870, 51280, 62818, 71792, 89740, 125636, 157045, 179480, 251272, 314090, 358960, 502544, 628180, 1256360, 2512720]

約数ペア:

[(1, 2512720), (2, 1256360), (4, 628180), (5, 502544), (7, 358960), (8, 314090), (10, 251272), (14, 179480), (16, 157045), (20, 125636), (28, 89740), (35, 71792), (40, 62818), (49, 51280), (56, 44870), (70, 35896), (80, 31409), (98, 25640), (112, 22435), (140, 17948), (196, 12820), (245, 10256), (280, 8974), (392, 6410), (490, 5128), (560, 4487), (641, 3920), (784, 3205), (980, 2564), (1282, 1960)]