81090144

素因数分解:

$2^5\times 3^2\times {\mathrm{281563}}^1$

素因数の和:281579

約数の個数: 36

約数和(自身を含む): 230600916

約数和(自身を除く): 149510772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 281563, 563126, 844689, 1126252, 1689378, 2252504, 2534067, 3378756, 4505008, 5068134, 6757512, 9010016, 10136268, 13515024, 20272536, 27030048, 40545072, 81090144]

約数ペア:

[(1, 81090144), (2, 40545072), (3, 27030048), (4, 20272536), (6, 13515024), (8, 10136268), (9, 9010016), (12, 6757512), (16, 5068134), (18, 4505008), (24, 3378756), (32, 2534067), (36, 2252504), (48, 1689378), (72, 1126252), (96, 844689), (144, 563126), (288, 281563)]