72367280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 174646560

約数和(自身を除く): 102279280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 109, 172, 193, 215, 218, 344, 386, 430, 436, 545, 688, 772, 860, 872, 965, 1090, 1544, 1720, 1744, 1930, 2180, 3088, 3440, 3860, 4360, 4687, 7720, 8299, 8720, 9374, 15440, 16598, 18748, 21037, 23435, 33196, 37496, 41495, 42074, 46870, 66392, 74992, 82990, 84148, 93740, 105185, 132784, 165980, 168296, 187480, 210370, 331960, 336592, 374960, 420740, 663920, 841480, 904591, 1682960, 1809182, 3618364, 4522955, 7236728, 9045910, 14473456, 18091820, 36183640, 72367280]

約数ペア:

[(1, 72367280), (2, 36183640), (4, 18091820), (5, 14473456), (8, 9045910), (10, 7236728), (16, 4522955), (20, 3618364), (40, 1809182), (43, 1682960), (80, 904591), (86, 841480), (109, 663920), (172, 420740), (193, 374960), (215, 336592), (218, 331960), (344, 210370), (386, 187480), (430, 168296), (436, 165980), (545, 132784), (688, 105185), (772, 93740), (860, 84148), (872, 82990), (965, 74992), (1090, 66392), (1544, 46870), (1720, 42074), (1744, 41495), (1930, 37496), (2180, 33196), (3088, 23435), (3440, 21037), (3860, 18748), (4360, 16598), (4687, 15440), (7720, 9374), (8299, 8720)]