8430540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 23950080

約数和(自身を除く): 15519540

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, 1979, 2130, 3958, 4260, 5937, 7916, 9895, 11874, 19790, 23748, 29685, 39580, 59370, 118740, 140509, 281018, 421527, 562036, 702545, 843054, 1405090, 1686108, 2107635, 2810180, 4215270, 8430540]

約数ペア:

[(1, 8430540), (2, 4215270), (3, 2810180), (4, 2107635), (5, 1686108), (6, 1405090), (10, 843054), (12, 702545), (15, 562036), (20, 421527), (30, 281018), (60, 140509), (71, 118740), (142, 59370), (213, 39580), (284, 29685), (355, 23748), (426, 19790), (710, 11874), (852, 9895), (1065, 7916), (1420, 5937), (1979, 4260), (2130, 3958)]