180306980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10141}}^1$

素因数の和:10284

約数の個数: 48

約数和(自身を含む): 436187136

約数和(自身を除く): 255880156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 10141, 17780, 20282, 40564, 50705, 70987, 101410, 141974, 202820, 283948, 354935, 709870, 1287907, 1419740, 2575814, 5151628, 6439535, 9015349, 12879070, 18030698, 25758140, 36061396, 45076745, 90153490, 180306980]

約数ペア:

[(1, 180306980), (2, 90153490), (4, 45076745), (5, 36061396), (7, 25758140), (10, 18030698), (14, 12879070), (20, 9015349), (28, 6439535), (35, 5151628), (70, 2575814), (127, 1419740), (140, 1287907), (254, 709870), (508, 354935), (635, 283948), (889, 202820), (1270, 141974), (1778, 101410), (2540, 70987), (3556, 50705), (4445, 40564), (8890, 20282), (10141, 17780)]