7280340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 13403820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1709, 2130, 3418, 4260, 5127, 6836, 8545, 10254, 17090, 20508, 25635, 34180, 51270, 102540, 121339, 242678, 364017, 485356, 606695, 728034, 1213390, 1456068, 1820085, 2426780, 3640170, 7280340]

約数ペア:

[(1, 7280340), (2, 3640170), (3, 2426780), (4, 1820085), (5, 1456068), (6, 1213390), (10, 728034), (12, 606695), (15, 485356), (20, 364017), (30, 242678), (60, 121339), (71, 102540), (142, 51270), (213, 34180), (284, 25635), (355, 20508), (426, 17090), (710, 10254), (852, 8545), (1065, 6836), (1420, 5127), (1709, 4260), (2130, 3418)]