81696816

素因数分解:

$2^4\times 3^3\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:971

約数の個数: 80

約数和(自身を含む): 235684320

約数和(自身を除く): 153987504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 281, 432, 562, 673, 843, 1124, 1346, 1686, 2019, 2248, 2529, 2692, 3372, 4038, 4496, 5058, 5384, 6057, 6744, 7587, 8076, 10116, 10768, 12114, 13488, 15174, 16152, 18171, 20232, 24228, 30348, 32304, 36342, 40464, 48456, 60696, 72684, 96912, 121392, 145368, 189113, 290736, 378226, 567339, 756452, 1134678, 1512904, 1702017, 2269356, 3025808, 3404034, 4538712, 5106051, 6808068, 9077424, 10212102, 13616136, 20424204, 27232272, 40848408, 81696816]

約数ペア:

[(1, 81696816), (2, 40848408), (3, 27232272), (4, 20424204), (6, 13616136), (8, 10212102), (9, 9077424), (12, 6808068), (16, 5106051), (18, 4538712), (24, 3404034), (27, 3025808), (36, 2269356), (48, 1702017), (54, 1512904), (72, 1134678), (108, 756452), (144, 567339), (216, 378226), (281, 290736), (432, 189113), (562, 145368), (673, 121392), (843, 96912), (1124, 72684), (1346, 60696), (1686, 48456), (2019, 40464), (2248, 36342), (2529, 32304), (2692, 30348), (3372, 24228), (4038, 20232), (4496, 18171), (5058, 16152), (5384, 15174), (6057, 13488), (6744, 12114), (7587, 10768), (8076, 10116)]