77517990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78301}}^1$

素因数の和:78325

約数の個数: 48

約数和(自身を含む): 219872016

約数和(自身を除く): 142354026

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 78301, 156602, 234903, 391505, 469806, 704709, 783010, 861311, 1174515, 1409418, 1722622, 2349030, 2583933, 3523545, 4306555, 5167866, 7047090, 7751799, 8613110, 12919665, 15503598, 25839330, 38758995, 77517990]

約数ペア:

[(1, 77517990), (2, 38758995), (3, 25839330), (5, 15503598), (6, 12919665), (9, 8613110), (10, 7751799), (11, 7047090), (15, 5167866), (18, 4306555), (22, 3523545), (30, 2583933), (33, 2349030), (45, 1722622), (55, 1409418), (66, 1174515), (90, 861311), (99, 783010), (110, 704709), (165, 469806), (198, 391505), (330, 234903), (495, 156602), (990, 78301)]