81431460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13709}}^1$

素因数の和:13738

約数の個数: 96

約数和(自身を含む): 276393600

約数和(自身を除く): 194962140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 13709, 27418, 41127, 54836, 68545, 82254, 123381, 137090, 150799, 164508, 205635, 246762, 274180, 301598, 370143, 411270, 452397, 493524, 603196, 616905, 740286, 753995, 822540, 904794, 1233810, 1357191, 1480572, 1507990, 1809588, 1850715, 2261985, 2467620, 2714382, 3015980, 3701430, 4071573, 4523970, 5428764, 6785955, 7402860, 8143146, 9047940, 13571910, 16286292, 20357865, 27143820, 40715730, 81431460]

約数ペア:

[(1, 81431460), (2, 40715730), (3, 27143820), (4, 20357865), (5, 16286292), (6, 13571910), (9, 9047940), (10, 8143146), (11, 7402860), (12, 6785955), (15, 5428764), (18, 4523970), (20, 4071573), (22, 3701430), (27, 3015980), (30, 2714382), (33, 2467620), (36, 2261985), (44, 1850715), (45, 1809588), (54, 1507990), (55, 1480572), (60, 1357191), (66, 1233810), (90, 904794), (99, 822540), (108, 753995), (110, 740286), (132, 616905), (135, 603196), (165, 493524), (180, 452397), (198, 411270), (220, 370143), (270, 301598), (297, 274180), (330, 246762), (396, 205635), (495, 164508), (540, 150799), (594, 137090), (660, 123381), (990, 82254), (1188, 68545), (1485, 54836), (1980, 41127), (2970, 27418), (5940, 13709)]