720990815996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1667}}^1\times {\mathrm{22189}}^1$

素因数の和:24314

約数の個数: 48

約数和(自身を含む): 1380433864320

約数和(自身を除く): 659443048324

約数列:

[1, 2, 4, 11, 22, 44, 443, 886, 1667, 1772, 3334, 4873, 6668, 9746, 18337, 19492, 22189, 36674, 44378, 73348, 88756, 244079, 488158, 738481, 976316, 1476962, 2953924, 8123291, 9829727, 16246582, 19659454, 32493164, 36989063, 39318908, 73978126, 108126997, 147956252, 216253994, 406879693, 432507988, 813759386, 1627518772, 16386154909, 32772309818, 65544619636, 180247703999, 360495407998, 720990815996]

約数ペア:

[(1, 720990815996), (2, 360495407998), (4, 180247703999), (11, 65544619636), (22, 32772309818), (44, 16386154909), (443, 1627518772), (886, 813759386), (1667, 432507988), (1772, 406879693), (3334, 216253994), (4873, 147956252), (6668, 108126997), (9746, 73978126), (18337, 39318908), (19492, 36989063), (22189, 32493164), (36674, 19659454), (44378, 16246582), (73348, 9829727), (88756, 8123291), (244079, 2953924), (488158, 1476962), (738481, 976316)]