204025080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{242887}}^1$

素因数の和:242908

約数の個数: 64

約数和(自身を含む): 699517440

約数和(自身を除く): 495492360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 242887, 485774, 728661, 971548, 1214435, 1457322, 1700209, 1943096, 2428870, 2914644, 3400418, 3643305, 4857740, 5100627, 5829288, 6800836, 7286610, 8501045, 9715480, 10201254, 13601672, 14573220, 17002090, 20402508, 25503135, 29146440, 34004180, 40805016, 51006270, 68008360, 102012540, 204025080]

約数ペア:

[(1, 204025080), (2, 102012540), (3, 68008360), (4, 51006270), (5, 40805016), (6, 34004180), (7, 29146440), (8, 25503135), (10, 20402508), (12, 17002090), (14, 14573220), (15, 13601672), (20, 10201254), (21, 9715480), (24, 8501045), (28, 7286610), (30, 6800836), (35, 5829288), (40, 5100627), (42, 4857740), (56, 3643305), (60, 3400418), (70, 2914644), (84, 2428870), (105, 1943096), (120, 1700209), (140, 1457322), (168, 1214435), (210, 971548), (280, 728661), (420, 485774), (840, 242887)]