15538180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 38215296

約数和(自身を除く): 22677116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2707, 2870, 5414, 5740, 10828, 13535, 18949, 27070, 37898, 54140, 75796, 94745, 110987, 189490, 221974, 378980, 443948, 554935, 776909, 1109870, 1553818, 2219740, 3107636, 3884545, 7769090, 15538180]

約数ペア:

[(1, 15538180), (2, 7769090), (4, 3884545), (5, 3107636), (7, 2219740), (10, 1553818), (14, 1109870), (20, 776909), (28, 554935), (35, 443948), (41, 378980), (70, 221974), (82, 189490), (140, 110987), (164, 94745), (205, 75796), (287, 54140), (410, 37898), (574, 27070), (820, 18949), (1148, 13535), (1435, 10828), (2707, 5740), (2870, 5414)]