81071136

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12239}}^1$

素因数の和:12278

約数の個数: 72

約数和(自身を含む): 240589440

約数和(自身を除く): 159518304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 12239, 24478, 36717, 48956, 73434, 97912, 110151, 146868, 195824, 220302, 281497, 293736, 391648, 440604, 562994, 587472, 844491, 881208, 1125988, 1174944, 1688982, 1762416, 2251976, 2533473, 3377964, 3524832, 4503952, 5066946, 6755928, 9007904, 10133892, 13511856, 20267784, 27023712, 40535568, 81071136]

約数ペア:

[(1, 81071136), (2, 40535568), (3, 27023712), (4, 20267784), (6, 13511856), (8, 10133892), (9, 9007904), (12, 6755928), (16, 5066946), (18, 4503952), (23, 3524832), (24, 3377964), (32, 2533473), (36, 2251976), (46, 1762416), (48, 1688982), (69, 1174944), (72, 1125988), (92, 881208), (96, 844491), (138, 587472), (144, 562994), (184, 440604), (207, 391648), (276, 293736), (288, 281497), (368, 220302), (414, 195824), (552, 146868), (736, 110151), (828, 97912), (1104, 73434), (1656, 48956), (2208, 36717), (3312, 24478), (6624, 12239)]