402102540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{319129}}^1$

素因数の和:319151

約数の個数: 72

約数和(自身を含む): 1393959840

約数和(自身を除く): 991857300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 319129, 638258, 957387, 1276516, 1595645, 1914774, 2233903, 2872161, 3191290, 3829548, 4467806, 4786935, 5744322, 6382580, 6701709, 8935612, 9573870, 11169515, 11488644, 13403418, 14360805, 19147740, 20105127, 22339030, 26806836, 28721610, 33508545, 40210254, 44678060, 57443220, 67017090, 80420508, 100525635, 134034180, 201051270, 402102540]

約数ペア:

[(1, 402102540), (2, 201051270), (3, 134034180), (4, 100525635), (5, 80420508), (6, 67017090), (7, 57443220), (9, 44678060), (10, 40210254), (12, 33508545), (14, 28721610), (15, 26806836), (18, 22339030), (20, 20105127), (21, 19147740), (28, 14360805), (30, 13403418), (35, 11488644), (36, 11169515), (42, 9573870), (45, 8935612), (60, 6701709), (63, 6382580), (70, 5744322), (84, 4786935), (90, 4467806), (105, 3829548), (126, 3191290), (140, 2872161), (180, 2233903), (210, 1914774), (252, 1595645), (315, 1276516), (420, 957387), (630, 638258), (1260, 319129)]