61575080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219911}}^1$

素因数の和:219929

約数の個数: 32

約数和(自身を含む): 158336640

約数和(自身を除く): 96761560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219911, 439822, 879644, 1099555, 1539377, 1759288, 2199110, 3078754, 4398220, 6157508, 7696885, 8796440, 12315016, 15393770, 30787540, 61575080]

約数ペア:

[(1, 61575080), (2, 30787540), (4, 15393770), (5, 12315016), (7, 8796440), (8, 7696885), (10, 6157508), (14, 4398220), (20, 3078754), (28, 2199110), (35, 1759288), (40, 1539377), (56, 1099555), (70, 879644), (140, 439822), (280, 219911)]