179480

素因数分解:

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

素因数の和:659

約数の個数: 32

約数和(自身を含む): 462240

約数和(自身を除く): 282760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 641, 1282, 2564, 3205, 4487, 5128, 6410, 8974, 12820, 17948, 22435, 25640, 35896, 44870, 89740, 179480]

約数ペア:

[(1, 179480), (2, 89740), (4, 44870), (5, 35896), (7, 25640), (8, 22435), (10, 17948), (14, 12820), (20, 8974), (28, 6410), (35, 5128), (40, 4487), (56, 3205), (70, 2564), (140, 1282), (280, 641)]