68385190240

素因数分解:

$2^5\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{168869}}^1$

素因数の和:171415

約数の個数: 48

約数和(自身を含む): 161624801520

約数和(自身を除く): 93239611280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2531, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 80992, 101240, 168869, 202480, 337738, 404960, 675476, 844345, 1350952, 1688690, 2701904, 3377380, 5403808, 6754760, 13509520, 27019040, 427407439, 854814878, 1709629756, 2137037195, 3419259512, 4274074390, 6838519024, 8548148780, 13677038048, 17096297560, 34192595120, 68385190240]

約数ペア:

[(1, 68385190240), (2, 34192595120), (4, 17096297560), (5, 13677038048), (8, 8548148780), (10, 6838519024), (16, 4274074390), (20, 3419259512), (32, 2137037195), (40, 1709629756), (80, 854814878), (160, 427407439), (2531, 27019040), (5062, 13509520), (10124, 6754760), (12655, 5403808), (20248, 3377380), (25310, 2701904), (40496, 1688690), (50620, 1350952), (80992, 844345), (101240, 675476), (168869, 404960), (202480, 337738)]