15605480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 24052120

約数列:

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

約数ペア:

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