15666140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 37824192

約数和(自身を除く): 22158052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 353, 634, 706, 1268, 1412, 1585, 1765, 2219, 2471, 3170, 3530, 4438, 4942, 6340, 7060, 8876, 9884, 11095, 12355, 22190, 24710, 44380, 49420, 111901, 223802, 447604, 559505, 783307, 1119010, 1566614, 2238020, 3133228, 3916535, 7833070, 15666140]

約数ペア:

[(1, 15666140), (2, 7833070), (4, 3916535), (5, 3133228), (7, 2238020), (10, 1566614), (14, 1119010), (20, 783307), (28, 559505), (35, 447604), (70, 223802), (140, 111901), (317, 49420), (353, 44380), (634, 24710), (706, 22190), (1268, 12355), (1412, 11095), (1585, 9884), (1765, 8876), (2219, 7060), (2471, 6340), (3170, 4942), (3530, 4438)]