170704640

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 411604368

約数和(自身を除く): 240899728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 640, 691, 772, 965, 1280, 1382, 1544, 1930, 2764, 3088, 3455, 3860, 5528, 6176, 6910, 7720, 11056, 12352, 13820, 15440, 22112, 24704, 27640, 30880, 44224, 49408, 55280, 61760, 88448, 110560, 123520, 133363, 176896, 221120, 247040, 266726, 442240, 533452, 666815, 884480, 1066904, 1333630, 2133808, 2667260, 4267616, 5334520, 8535232, 10669040, 17070464, 21338080, 34140928, 42676160, 85352320, 170704640]

約数ペア:

[(1, 170704640), (2, 85352320), (4, 42676160), (5, 34140928), (8, 21338080), (10, 17070464), (16, 10669040), (20, 8535232), (32, 5334520), (40, 4267616), (64, 2667260), (80, 2133808), (128, 1333630), (160, 1066904), (193, 884480), (256, 666815), (320, 533452), (386, 442240), (640, 266726), (691, 247040), (772, 221120), (965, 176896), (1280, 133363), (1382, 123520), (1544, 110560), (1930, 88448), (2764, 61760), (3088, 55280), (3455, 49408), (3860, 44224), (5528, 30880), (6176, 27640), (6910, 24704), (7720, 22112), (11056, 15440), (12352, 13820)]