2015381320

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1\times {\mathrm{487}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 4572247680

約数和(自身を除く): 2556866360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 337, 487, 614, 674, 974, 1228, 1348, 1535, 1685, 1948, 2435, 2456, 2696, 3070, 3370, 3896, 4870, 6140, 6740, 9740, 12280, 13480, 19480, 103459, 149509, 164119, 206918, 299018, 328238, 413836, 517295, 598036, 656476, 747545, 820595, 827672, 1034590, 1196072, 1312952, 1495090, 1641190, 2069180, 2990180, 3282380, 4138360, 5980360, 6564760, 50384533, 100769066, 201538132, 251922665, 403076264, 503845330, 1007690660, 2015381320]

約数ペア:

[(1, 2015381320), (2, 1007690660), (4, 503845330), (5, 403076264), (8, 251922665), (10, 201538132), (20, 100769066), (40, 50384533), (307, 6564760), (337, 5980360), (487, 4138360), (614, 3282380), (674, 2990180), (974, 2069180), (1228, 1641190), (1348, 1495090), (1535, 1312952), (1685, 1196072), (1948, 1034590), (2435, 827672), (2456, 820595), (2696, 747545), (3070, 656476), (3370, 598036), (3896, 517295), (4870, 413836), (6140, 328238), (6740, 299018), (9740, 206918), (12280, 164119), (13480, 149509), (19480, 103459)]