68213920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^2\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 165510324

約数和(自身を除く): 97296404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 193, 235, 376, 386, 470, 752, 772, 940, 965, 1504, 1544, 1880, 1930, 2209, 3088, 3760, 3860, 4418, 6176, 7520, 7720, 8836, 9071, 11045, 15440, 17672, 18142, 22090, 30880, 35344, 36284, 44180, 45355, 70688, 72568, 88360, 90710, 145136, 176720, 181420, 290272, 353440, 362840, 426337, 725680, 852674, 1451360, 1705348, 2131685, 3410696, 4263370, 6821392, 8526740, 13642784, 17053480, 34106960, 68213920]

約数ペア:

[(1, 68213920), (2, 34106960), (4, 17053480), (5, 13642784), (8, 8526740), (10, 6821392), (16, 4263370), (20, 3410696), (32, 2131685), (40, 1705348), (47, 1451360), (80, 852674), (94, 725680), (160, 426337), (188, 362840), (193, 353440), (235, 290272), (376, 181420), (386, 176720), (470, 145136), (752, 90710), (772, 88360), (940, 72568), (965, 70688), (1504, 45355), (1544, 44180), (1880, 36284), (1930, 35344), (2209, 30880), (3088, 22090), (3760, 18142), (3860, 17672), (4418, 15440), (6176, 11045), (7520, 9071), (7720, 8836)]