16481080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5351}}^1$

素因数の和:5380

約数の個数: 64

約数和(自身を含む): 46241280

約数和(自身を除く): 29760200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5351, 10702, 21404, 26755, 37457, 42808, 53510, 58861, 74914, 107020, 117722, 149828, 187285, 214040, 235444, 294305, 299656, 374570, 412027, 470888, 588610, 749140, 824054, 1177220, 1498280, 1648108, 2060135, 2354440, 3296216, 4120270, 8240540, 16481080]

約数ペア:

[(1, 16481080), (2, 8240540), (4, 4120270), (5, 3296216), (7, 2354440), (8, 2060135), (10, 1648108), (11, 1498280), (14, 1177220), (20, 824054), (22, 749140), (28, 588610), (35, 470888), (40, 412027), (44, 374570), (55, 299656), (56, 294305), (70, 235444), (77, 214040), (88, 187285), (110, 149828), (140, 117722), (154, 107020), (220, 74914), (280, 58861), (308, 53510), (385, 42808), (440, 37457), (616, 26755), (770, 21404), (1540, 10702), (3080, 5351)]