1256360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 3293460

約数和(自身を除く): 2037100

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, 641, 980, 1282, 1960, 2564, 3205, 4487, 5128, 6410, 8974, 12820, 17948, 22435, 25640, 31409, 35896, 44870, 62818, 89740, 125636, 157045, 179480, 251272, 314090, 628180, 1256360]

約数ペア:

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