15671445040

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1\times {\mathrm{887}}^1$

素因数の和:1990

約数の個数: 80

約数和(自身を含む): 36657385920

約数和(自身を除く): 20985940880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 821, 887, 1076, 1345, 1642, 1774, 2152, 2690, 3284, 3548, 4105, 4304, 4435, 5380, 6568, 7096, 8210, 8870, 10760, 13136, 14192, 16420, 17740, 21520, 32840, 35480, 65680, 70960, 220849, 238603, 441698, 477206, 728227, 883396, 954412, 1104245, 1193015, 1456454, 1766792, 1908824, 2208490, 2386030, 2912908, 3533584, 3641135, 3817648, 4416980, 4772060, 5825816, 7282270, 8833960, 9544120, 11651632, 14564540, 17667920, 19088240, 29129080, 58258160, 195893063, 391786126, 783572252, 979465315, 1567144504, 1958930630, 3134289008, 3917861260, 7835722520, 15671445040]

約数ペア:

[(1, 15671445040), (2, 7835722520), (4, 3917861260), (5, 3134289008), (8, 1958930630), (10, 1567144504), (16, 979465315), (20, 783572252), (40, 391786126), (80, 195893063), (269, 58258160), (538, 29129080), (821, 19088240), (887, 17667920), (1076, 14564540), (1345, 11651632), (1642, 9544120), (1774, 8833960), (2152, 7282270), (2690, 5825816), (3284, 4772060), (3548, 4416980), (4105, 3817648), (4304, 3641135), (4435, 3533584), (5380, 2912908), (6568, 2386030), (7096, 2208490), (8210, 1908824), (8870, 1766792), (10760, 1456454), (13136, 1193015), (14192, 1104245), (16420, 954412), (17740, 883396), (21520, 728227), (32840, 477206), (35480, 441698), (65680, 238603), (70960, 220849)]