15008980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2281}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 36804096

約数和(自身を除く): 21795116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2281, 3290, 4562, 6580, 9124, 11405, 15967, 22810, 31934, 45620, 63868, 79835, 107207, 159670, 214414, 319340, 428828, 536035, 750449, 1072070, 1500898, 2144140, 3001796, 3752245, 7504490, 15008980]

約数ペア:

[(1, 15008980), (2, 7504490), (4, 3752245), (5, 3001796), (7, 2144140), (10, 1500898), (14, 1072070), (20, 750449), (28, 536035), (35, 428828), (47, 319340), (70, 214414), (94, 159670), (140, 107207), (188, 79835), (235, 63868), (329, 45620), (470, 31934), (658, 22810), (940, 15967), (1316, 11405), (1645, 9124), (2281, 6580), (3290, 4562)]