61407080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219311}}^1$

素因数の和:219329

約数の個数: 32

約数和(自身を含む): 157904640

約数和(自身を除く): 96497560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219311, 438622, 877244, 1096555, 1535177, 1754488, 2193110, 3070354, 4386220, 6140708, 7675885, 8772440, 12281416, 15351770, 30703540, 61407080]

約数ペア:

[(1, 61407080), (2, 30703540), (4, 15351770), (5, 12281416), (7, 8772440), (8, 7675885), (10, 6140708), (14, 4386220), (20, 3070354), (28, 2193110), (35, 1754488), (40, 1535177), (56, 1096555), (70, 877244), (140, 438622), (280, 219311)]