57291920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 153204480

約数和(自身を除く): 95912560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 389, 526, 560, 778, 1052, 1315, 1556, 1841, 1945, 2104, 2630, 2723, 3112, 3682, 3890, 4208, 5260, 5446, 6224, 7364, 7780, 9205, 10520, 10892, 13615, 14728, 15560, 18410, 21040, 21784, 27230, 29456, 31120, 36820, 43568, 54460, 73640, 102307, 108920, 147280, 204614, 217840, 409228, 511535, 716149, 818456, 1023070, 1432298, 1636912, 2046140, 2864596, 3580745, 4092280, 5729192, 7161490, 8184560, 11458384, 14322980, 28645960, 57291920]

約数ペア:

[(1, 57291920), (2, 28645960), (4, 14322980), (5, 11458384), (7, 8184560), (8, 7161490), (10, 5729192), (14, 4092280), (16, 3580745), (20, 2864596), (28, 2046140), (35, 1636912), (40, 1432298), (56, 1023070), (70, 818456), (80, 716149), (112, 511535), (140, 409228), (263, 217840), (280, 204614), (389, 147280), (526, 108920), (560, 102307), (778, 73640), (1052, 54460), (1315, 43568), (1556, 36820), (1841, 31120), (1945, 29456), (2104, 27230), (2630, 21784), (2723, 21040), (3112, 18410), (3682, 15560), (3890, 14728), (4208, 13615), (5260, 10892), (5446, 10520), (6224, 9205), (7364, 7780)]