1682960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 3969240

約数和(自身を除く): 2286280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 193, 218, 386, 436, 545, 772, 872, 965, 1090, 1544, 1744, 1930, 2180, 3088, 3860, 4360, 7720, 8720, 15440, 21037, 42074, 84148, 105185, 168296, 210370, 336592, 420740, 841480, 1682960]

約数ペア:

[(1, 1682960), (2, 841480), (4, 420740), (5, 336592), (8, 210370), (10, 168296), (16, 105185), (20, 84148), (40, 42074), (80, 21037), (109, 15440), (193, 8720), (218, 7720), (386, 4360), (436, 3860), (545, 3088), (772, 2180), (872, 1930), (965, 1744), (1090, 1544)]