16640460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 50843520

約数和(自身を除く): 34203060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 479, 579, 772, 958, 965, 1158, 1437, 1737, 1916, 1930, 2316, 2395, 2874, 2895, 3474, 3860, 4311, 4790, 5748, 5790, 6948, 7185, 8622, 8685, 9580, 11580, 14370, 17244, 17370, 21555, 28740, 34740, 43110, 86220, 92447, 184894, 277341, 369788, 462235, 554682, 832023, 924470, 1109364, 1386705, 1664046, 1848940, 2773410, 3328092, 4160115, 5546820, 8320230, 16640460]

約数ペア:

[(1, 16640460), (2, 8320230), (3, 5546820), (4, 4160115), (5, 3328092), (6, 2773410), (9, 1848940), (10, 1664046), (12, 1386705), (15, 1109364), (18, 924470), (20, 832023), (30, 554682), (36, 462235), (45, 369788), (60, 277341), (90, 184894), (180, 92447), (193, 86220), (386, 43110), (479, 34740), (579, 28740), (772, 21555), (958, 17370), (965, 17244), (1158, 14370), (1437, 11580), (1737, 9580), (1916, 8685), (1930, 8622), (2316, 7185), (2395, 6948), (2874, 5790), (2895, 5748), (3474, 4790), (3860, 4311)]