55308540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131687}}^1$

素因数の和:131706

約数の個数: 48

約数和(自身を含む): 176988672

約数和(自身を除く): 121680132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131687, 263374, 395061, 526748, 658435, 790122, 921809, 1316870, 1580244, 1843618, 1975305, 2633740, 2765427, 3687236, 3950610, 4609045, 5530854, 7901220, 9218090, 11061708, 13827135, 18436180, 27654270, 55308540]

約数ペア:

[(1, 55308540), (2, 27654270), (3, 18436180), (4, 13827135), (5, 11061708), (6, 9218090), (7, 7901220), (10, 5530854), (12, 4609045), (14, 3950610), (15, 3687236), (20, 2765427), (21, 2633740), (28, 1975305), (30, 1843618), (35, 1580244), (42, 1316870), (60, 921809), (70, 790122), (84, 658435), (105, 526748), (140, 395061), (210, 263374), (420, 131687)]