15523480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55441}}^1$

素因数の和:55459

約数の個数: 32

約数和(自身を含む): 39918240

約数和(自身を除く): 24394760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55441, 110882, 221764, 277205, 388087, 443528, 554410, 776174, 1108820, 1552348, 1940435, 2217640, 3104696, 3880870, 7761740, 15523480]

約数ペア:

[(1, 15523480), (2, 7761740), (4, 3880870), (5, 3104696), (7, 2217640), (8, 1940435), (10, 1552348), (14, 1108820), (20, 776174), (28, 554410), (35, 443528), (40, 388087), (56, 277205), (70, 221764), (140, 110882), (280, 55441)]