15868020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37781}}^1$

素因数の和:37800

約数の個数: 48

約数和(自身を含む): 50779008

約数和(自身を除く): 34910988

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, 37781, 75562, 113343, 151124, 188905, 226686, 264467, 377810, 453372, 528934, 566715, 755620, 793401, 1057868, 1133430, 1322335, 1586802, 2266860, 2644670, 3173604, 3967005, 5289340, 7934010, 15868020]

約数ペア:

[(1, 15868020), (2, 7934010), (3, 5289340), (4, 3967005), (5, 3173604), (6, 2644670), (7, 2266860), (10, 1586802), (12, 1322335), (14, 1133430), (15, 1057868), (20, 793401), (21, 755620), (28, 566715), (30, 528934), (35, 453372), (42, 377810), (60, 264467), (70, 226686), (84, 188905), (105, 151124), (140, 113343), (210, 75562), (420, 37781)]