1212440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 2890080

約数和(自身を除く): 1677640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1783, 3566, 7132, 8915, 14264, 17830, 30311, 35660, 60622, 71320, 121244, 151555, 242488, 303110, 606220, 1212440]

約数ペア:

[(1, 1212440), (2, 606220), (4, 303110), (5, 242488), (8, 151555), (10, 121244), (17, 71320), (20, 60622), (34, 35660), (40, 30311), (68, 17830), (85, 14264), (136, 8915), (170, 7132), (340, 3566), (680, 1783)]