70780360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 182736000

約数和(自身を除く): 111955640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449, 563, 898, 1126, 1796, 2245, 2252, 2815, 3143, 3592, 3941, 4490, 4504, 5630, 6286, 7882, 8980, 11260, 12572, 15715, 15764, 17960, 19705, 22520, 25144, 31430, 31528, 39410, 62860, 78820, 125720, 157640, 252787, 505574, 1011148, 1263935, 1769509, 2022296, 2527870, 3539018, 5055740, 7078036, 8847545, 10111480, 14156072, 17695090, 35390180, 70780360]

約数ペア:

[(1, 70780360), (2, 35390180), (4, 17695090), (5, 14156072), (7, 10111480), (8, 8847545), (10, 7078036), (14, 5055740), (20, 3539018), (28, 2527870), (35, 2022296), (40, 1769509), (56, 1263935), (70, 1011148), (140, 505574), (280, 252787), (449, 157640), (563, 125720), (898, 78820), (1126, 62860), (1796, 39410), (2245, 31528), (2252, 31430), (2815, 25144), (3143, 22520), (3592, 19705), (3941, 17960), (4490, 15764), (4504, 15715), (5630, 12572), (6286, 11260), (7882, 8980)]