67738280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 157386240

約数和(自身を除く): 89647960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 263, 274, 376, 470, 526, 548, 685, 940, 1052, 1096, 1315, 1370, 1880, 2104, 2630, 2740, 5260, 5480, 6439, 10520, 12361, 12878, 24722, 25756, 32195, 36031, 49444, 51512, 61805, 64390, 72062, 98888, 123610, 128780, 144124, 180155, 247220, 257560, 288248, 360310, 494440, 720620, 1441240, 1693457, 3386914, 6773828, 8467285, 13547656, 16934570, 33869140, 67738280]

約数ペア:

[(1, 67738280), (2, 33869140), (4, 16934570), (5, 13547656), (8, 8467285), (10, 6773828), (20, 3386914), (40, 1693457), (47, 1441240), (94, 720620), (137, 494440), (188, 360310), (235, 288248), (263, 257560), (274, 247220), (376, 180155), (470, 144124), (526, 128780), (548, 123610), (685, 98888), (940, 72062), (1052, 64390), (1096, 61805), (1315, 51512), (1370, 49444), (1880, 36031), (2104, 32195), (2630, 25756), (2740, 24722), (5260, 12878), (5480, 12361), (6439, 10520)]