21772440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 71351280

約数和(自身を除く): 49578840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 307, 360, 394, 591, 614, 788, 921, 985, 1182, 1228, 1535, 1576, 1773, 1842, 1970, 2364, 2456, 2763, 2955, 3070, 3546, 3684, 3940, 4605, 4728, 5526, 5910, 6140, 7092, 7368, 7880, 8865, 9210, 11052, 11820, 12280, 13815, 14184, 17730, 18420, 22104, 23640, 27630, 35460, 36840, 55260, 60479, 70920, 110520, 120958, 181437, 241916, 302395, 362874, 483832, 544311, 604790, 725748, 907185, 1088622, 1209580, 1451496, 1814370, 2177244, 2419160, 2721555, 3628740, 4354488, 5443110, 7257480, 10886220, 21772440]

約数ペア:

[(1, 21772440), (2, 10886220), (3, 7257480), (4, 5443110), (5, 4354488), (6, 3628740), (8, 2721555), (9, 2419160), (10, 2177244), (12, 1814370), (15, 1451496), (18, 1209580), (20, 1088622), (24, 907185), (30, 725748), (36, 604790), (40, 544311), (45, 483832), (60, 362874), (72, 302395), (90, 241916), (120, 181437), (180, 120958), (197, 110520), (307, 70920), (360, 60479), (394, 55260), (591, 36840), (614, 35460), (788, 27630), (921, 23640), (985, 22104), (1182, 18420), (1228, 17730), (1535, 14184), (1576, 13815), (1773, 12280), (1842, 11820), (1970, 11052), (2364, 9210), (2456, 8865), (2763, 7880), (2955, 7368), (3070, 7092), (3546, 6140), (3684, 5910), (3940, 5526), (4605, 4728)]