230565520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 547755120

約数和(自身を除く): 317189600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 137, 193, 218, 274, 386, 436, 545, 548, 685, 772, 872, 965, 1090, 1096, 1370, 1544, 1744, 1930, 2180, 2192, 2740, 3088, 3860, 4360, 5480, 7720, 8720, 10960, 14933, 15440, 21037, 26441, 29866, 42074, 52882, 59732, 74665, 84148, 105185, 105764, 119464, 132205, 149330, 168296, 210370, 211528, 238928, 264410, 298660, 336592, 420740, 423056, 528820, 597320, 841480, 1057640, 1194640, 1682960, 2115280, 2882069, 5764138, 11528276, 14410345, 23056552, 28820690, 46113104, 57641380, 115282760, 230565520]

約数ペア:

[(1, 230565520), (2, 115282760), (4, 57641380), (5, 46113104), (8, 28820690), (10, 23056552), (16, 14410345), (20, 11528276), (40, 5764138), (80, 2882069), (109, 2115280), (137, 1682960), (193, 1194640), (218, 1057640), (274, 841480), (386, 597320), (436, 528820), (545, 423056), (548, 420740), (685, 336592), (772, 298660), (872, 264410), (965, 238928), (1090, 211528), (1096, 210370), (1370, 168296), (1544, 149330), (1744, 132205), (1930, 119464), (2180, 105764), (2192, 105185), (2740, 84148), (3088, 74665), (3860, 59732), (4360, 52882), (5480, 42074), (7720, 29866), (8720, 26441), (10960, 21037), (14933, 15440)]