317693120

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3863}}^1$

素因数の和:4137

約数の個数: 56

約数和(自身を含む): 759646944

約数和(自身を除く): 441953824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1028, 1285, 2056, 2570, 3863, 4112, 5140, 7726, 8224, 10280, 15452, 16448, 19315, 20560, 30904, 38630, 41120, 61808, 77260, 82240, 123616, 154520, 247232, 309040, 618080, 992791, 1236160, 1985582, 3971164, 4963955, 7942328, 9927910, 15884656, 19855820, 31769312, 39711640, 63538624, 79423280, 158846560, 317693120]

約数ペア:

[(1, 317693120), (2, 158846560), (4, 79423280), (5, 63538624), (8, 39711640), (10, 31769312), (16, 19855820), (20, 15884656), (32, 9927910), (40, 7942328), (64, 4963955), (80, 3971164), (160, 1985582), (257, 1236160), (320, 992791), (514, 618080), (1028, 309040), (1285, 247232), (2056, 154520), (2570, 123616), (3863, 82240), (4112, 77260), (5140, 61808), (7726, 41120), (8224, 38630), (10280, 30904), (15452, 20560), (16448, 19315)]