31210960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 81959040

約数和(自身を除く): 50748080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1223, 1276, 1595, 2320, 2446, 2552, 3190, 4892, 5104, 6115, 6380, 9784, 12230, 12760, 13453, 19568, 24460, 25520, 26906, 35467, 48920, 53812, 67265, 70934, 97840, 107624, 134530, 141868, 177335, 215248, 269060, 283736, 354670, 390137, 538120, 567472, 709340, 780274, 1076240, 1418680, 1560548, 1950685, 2837360, 3121096, 3901370, 6242192, 7802740, 15605480, 31210960]

約数ペア:

[(1, 31210960), (2, 15605480), (4, 7802740), (5, 6242192), (8, 3901370), (10, 3121096), (11, 2837360), (16, 1950685), (20, 1560548), (22, 1418680), (29, 1076240), (40, 780274), (44, 709340), (55, 567472), (58, 538120), (80, 390137), (88, 354670), (110, 283736), (116, 269060), (145, 215248), (176, 177335), (220, 141868), (232, 134530), (290, 107624), (319, 97840), (440, 70934), (464, 67265), (580, 53812), (638, 48920), (880, 35467), (1160, 26906), (1223, 25520), (1276, 24460), (1595, 19568), (2320, 13453), (2446, 12760), (2552, 12230), (3190, 9784), (4892, 6380), (5104, 6115)]