72826180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{809}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 175271040

約数和(自身を除く): 102444860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 809, 1286, 1618, 2572, 3215, 3236, 4045, 4501, 5663, 6430, 8090, 9002, 11326, 12860, 16180, 18004, 22505, 22652, 28315, 45010, 56630, 90020, 113260, 520187, 1040374, 2080748, 2600935, 3641309, 5201870, 7282618, 10403740, 14565236, 18206545, 36413090, 72826180]

約数ペア:

[(1, 72826180), (2, 36413090), (4, 18206545), (5, 14565236), (7, 10403740), (10, 7282618), (14, 5201870), (20, 3641309), (28, 2600935), (35, 2080748), (70, 1040374), (140, 520187), (643, 113260), (809, 90020), (1286, 56630), (1618, 45010), (2572, 28315), (3215, 22652), (3236, 22505), (4045, 18004), (4501, 16180), (5663, 12860), (6430, 11326), (8090, 9002)]