256056960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 821597760

約数和(自身を除く): 565540800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 193, 240, 320, 384, 386, 480, 579, 640, 691, 772, 960, 965, 1158, 1382, 1544, 1920, 1930, 2073, 2316, 2764, 2895, 3088, 3455, 3860, 4146, 4632, 5528, 5790, 6176, 6910, 7720, 8292, 9264, 10365, 11056, 11580, 12352, 13820, 15440, 16584, 18528, 20730, 22112, 23160, 24704, 27640, 30880, 33168, 37056, 41460, 44224, 46320, 55280, 61760, 66336, 74112, 82920, 88448, 92640, 110560, 123520, 132672, 133363, 165840, 185280, 221120, 265344, 266726, 331680, 370560, 400089, 442240, 533452, 663360, 666815, 800178, 1066904, 1326720, 1333630, 1600356, 2000445, 2133808, 2667260, 3200712, 4000890, 4267616, 5334520, 6401424, 8001780, 8535232, 10669040, 12802848, 16003560, 17070464, 21338080, 25605696, 32007120, 42676160, 51211392, 64014240, 85352320, 128028480, 256056960]

約数ペア:

[(1, 256056960), (2, 128028480), (3, 85352320), (4, 64014240), (5, 51211392), (6, 42676160), (8, 32007120), (10, 25605696), (12, 21338080), (15, 17070464), (16, 16003560), (20, 12802848), (24, 10669040), (30, 8535232), (32, 8001780), (40, 6401424), (48, 5334520), (60, 4267616), (64, 4000890), (80, 3200712), (96, 2667260), (120, 2133808), (128, 2000445), (160, 1600356), (192, 1333630), (193, 1326720), (240, 1066904), (320, 800178), (384, 666815), (386, 663360), (480, 533452), (579, 442240), (640, 400089), (691, 370560), (772, 331680), (960, 266726), (965, 265344), (1158, 221120), (1382, 185280), (1544, 165840), (1920, 133363), (1930, 132672), (2073, 123520), (2316, 110560), (2764, 92640), (2895, 88448), (3088, 82920), (3455, 74112), (3860, 66336), (4146, 61760), (4632, 55280), (5528, 46320), (5790, 44224), (6176, 41460), (6910, 37056), (7720, 33168), (8292, 30880), (9264, 27640), (10365, 24704), (11056, 23160), (11580, 22112), (12352, 20730), (13820, 18528), (15440, 16584)]