81659016

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5520

約数の個数: 80

約数和(自身を含む): 238708800

約数和(自身を除く): 157049784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1656, 1863, 2484, 3726, 4968, 5479, 7452, 10958, 14904, 16437, 21916, 32874, 43832, 49311, 65748, 98622, 126017, 131496, 147933, 197244, 252034, 295866, 378051, 394488, 443799, 504068, 591732, 756102, 887598, 1008136, 1134153, 1183464, 1512204, 1775196, 2268306, 3024408, 3402459, 3550392, 4536612, 6804918, 9073224, 10207377, 13609836, 20414754, 27219672, 40829508, 81659016]

約数ペア:

[(1, 81659016), (2, 40829508), (3, 27219672), (4, 20414754), (6, 13609836), (8, 10207377), (9, 9073224), (12, 6804918), (18, 4536612), (23, 3550392), (24, 3402459), (27, 3024408), (36, 2268306), (46, 1775196), (54, 1512204), (69, 1183464), (72, 1134153), (81, 1008136), (92, 887598), (108, 756102), (138, 591732), (162, 504068), (184, 443799), (207, 394488), (216, 378051), (276, 295866), (324, 252034), (414, 197244), (552, 147933), (621, 131496), (648, 126017), (828, 98622), (1242, 65748), (1656, 49311), (1863, 43832), (2484, 32874), (3726, 21916), (4968, 16437), (5479, 14904), (7452, 10958)]