81318864

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 230503104

約数和(自身を除く): 149184240

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 233, 264, 466, 528, 661, 699, 932, 1322, 1398, 1864, 1983, 2563, 2644, 2796, 3728, 3966, 5126, 5288, 5592, 7271, 7689, 7932, 10252, 10576, 11184, 14542, 15378, 15864, 20504, 21813, 29084, 30756, 31728, 41008, 43626, 58168, 61512, 87252, 116336, 123024, 154013, 174504, 308026, 349008, 462039, 616052, 924078, 1232104, 1694143, 1848156, 2464208, 3388286, 3696312, 5082429, 6776572, 7392624, 10164858, 13553144, 20329716, 27106288, 40659432, 81318864]

約数ペア:

[(1, 81318864), (2, 40659432), (3, 27106288), (4, 20329716), (6, 13553144), (8, 10164858), (11, 7392624), (12, 6776572), (16, 5082429), (22, 3696312), (24, 3388286), (33, 2464208), (44, 1848156), (48, 1694143), (66, 1232104), (88, 924078), (132, 616052), (176, 462039), (233, 349008), (264, 308026), (466, 174504), (528, 154013), (661, 123024), (699, 116336), (932, 87252), (1322, 61512), (1398, 58168), (1864, 43626), (1983, 41008), (2563, 31728), (2644, 30756), (2796, 29084), (3728, 21813), (3966, 20504), (5126, 15864), (5288, 15378), (5592, 14542), (7271, 11184), (7689, 10576), (7932, 10252)]