138967080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165437}}^1$

素因数の和:165458

約数の個数: 64

約数和(自身を含む): 476461440

約数和(自身を除く): 337494360

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, 165437, 330874, 496311, 661748, 827185, 992622, 1158059, 1323496, 1654370, 1985244, 2316118, 2481555, 3308740, 3474177, 3970488, 4632236, 4963110, 5790295, 6617480, 6948354, 9264472, 9926220, 11580590, 13896708, 17370885, 19852440, 23161180, 27793416, 34741770, 46322360, 69483540, 138967080]

約数ペア:

[(1, 138967080), (2, 69483540), (3, 46322360), (4, 34741770), (5, 27793416), (6, 23161180), (7, 19852440), (8, 17370885), (10, 13896708), (12, 11580590), (14, 9926220), (15, 9264472), (20, 6948354), (21, 6617480), (24, 5790295), (28, 4963110), (30, 4632236), (35, 3970488), (40, 3474177), (42, 3308740), (56, 2481555), (60, 2316118), (70, 1985244), (84, 1654370), (105, 1323496), (120, 1158059), (140, 992622), (168, 827185), (210, 661748), (280, 496311), (420, 330874), (840, 165437)]