85961340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{997}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 261555840

約数和(自身を除く): 175594500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 997, 1437, 1916, 1994, 2395, 2874, 2991, 3988, 4311, 4790, 4985, 5748, 5982, 7185, 8622, 8973, 9580, 9970, 11964, 14370, 14955, 17244, 17946, 19940, 21555, 28740, 29910, 35892, 43110, 44865, 59820, 86220, 89730, 179460, 477563, 955126, 1432689, 1910252, 2387815, 2865378, 4298067, 4775630, 5730756, 7163445, 8596134, 9551260, 14326890, 17192268, 21490335, 28653780, 42980670, 85961340]

約数ペア:

[(1, 85961340), (2, 42980670), (3, 28653780), (4, 21490335), (5, 17192268), (6, 14326890), (9, 9551260), (10, 8596134), (12, 7163445), (15, 5730756), (18, 4775630), (20, 4298067), (30, 2865378), (36, 2387815), (45, 1910252), (60, 1432689), (90, 955126), (180, 477563), (479, 179460), (958, 89730), (997, 86220), (1437, 59820), (1916, 44865), (1994, 43110), (2395, 35892), (2874, 29910), (2991, 28740), (3988, 21555), (4311, 19940), (4790, 17946), (4985, 17244), (5748, 14955), (5982, 14370), (7185, 11964), (8622, 9970), (8973, 9580)]