1256080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2243}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 3339072

約数和(自身を除く): 2082992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2243, 4486, 8972, 11215, 15701, 17944, 22430, 31402, 35888, 44860, 62804, 78505, 89720, 125608, 157010, 179440, 251216, 314020, 628040, 1256080]

約数ペア:

[(1, 1256080), (2, 628040), (4, 314020), (5, 251216), (7, 179440), (8, 157010), (10, 125608), (14, 89720), (16, 78505), (20, 62804), (28, 44860), (35, 35888), (40, 31402), (56, 22430), (70, 17944), (80, 15701), (112, 11215), (140, 8972), (280, 4486), (560, 2243)]