80344740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191297}}^1$

素因数の和:191316

約数の個数: 48

約数和(自身を含む): 257104512

約数和(自身を除く): 176759772

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, 191297, 382594, 573891, 765188, 956485, 1147782, 1339079, 1912970, 2295564, 2678158, 2869455, 3825940, 4017237, 5356316, 5738910, 6695395, 8034474, 11477820, 13390790, 16068948, 20086185, 26781580, 40172370, 80344740]

約数ペア:

[(1, 80344740), (2, 40172370), (3, 26781580), (4, 20086185), (5, 16068948), (6, 13390790), (7, 11477820), (10, 8034474), (12, 6695395), (14, 5738910), (15, 5356316), (20, 4017237), (21, 3825940), (28, 2869455), (30, 2678158), (35, 2295564), (42, 1912970), (60, 1339079), (70, 1147782), (84, 956485), (105, 765188), (140, 573891), (210, 382594), (420, 191297)]