68114440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 159644160

約数和(自身を除く): 91529720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 337, 620, 652, 674, 815, 1240, 1304, 1348, 1630, 1685, 2696, 3260, 3370, 5053, 6520, 6740, 10106, 10447, 13480, 20212, 20894, 25265, 40424, 41788, 50530, 52235, 54931, 83576, 101060, 104470, 109862, 202120, 208940, 219724, 274655, 417880, 439448, 549310, 1098620, 1702861, 2197240, 3405722, 6811444, 8514305, 13622888, 17028610, 34057220, 68114440]

約数ペア:

[(1, 68114440), (2, 34057220), (4, 17028610), (5, 13622888), (8, 8514305), (10, 6811444), (20, 3405722), (31, 2197240), (40, 1702861), (62, 1098620), (124, 549310), (155, 439448), (163, 417880), (248, 274655), (310, 219724), (326, 208940), (337, 202120), (620, 109862), (652, 104470), (674, 101060), (815, 83576), (1240, 54931), (1304, 52235), (1348, 50530), (1630, 41788), (1685, 40424), (2696, 25265), (3260, 20894), (3370, 20212), (5053, 13480), (6520, 10447), (6740, 10106)]