890707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18839}}^1$

素因数の和:19052

約数の個数: 80

約数和(自身を含む): 2775358080

約数和(自身を除く): 1884650160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5910, 7880, 9456, 11820, 15760, 18839, 23640, 37678, 47280, 56517, 75356, 94195, 113034, 150712, 188390, 226068, 282585, 301424, 376780, 452136, 565170, 753560, 904272, 1130340, 1507120, 2260680, 3711283, 4521360, 7422566, 11133849, 14845132, 18556415, 22267698, 29690264, 37112830, 44535396, 55669245, 59380528, 74225660, 89070792, 111338490, 148451320, 178141584, 222676980, 296902640, 445353960, 890707920]

約数ペア:

[(1, 890707920), (2, 445353960), (3, 296902640), (4, 222676980), (5, 178141584), (6, 148451320), (8, 111338490), (10, 89070792), (12, 74225660), (15, 59380528), (16, 55669245), (20, 44535396), (24, 37112830), (30, 29690264), (40, 22267698), (48, 18556415), (60, 14845132), (80, 11133849), (120, 7422566), (197, 4521360), (240, 3711283), (394, 2260680), (591, 1507120), (788, 1130340), (985, 904272), (1182, 753560), (1576, 565170), (1970, 452136), (2364, 376780), (2955, 301424), (3152, 282585), (3940, 226068), (4728, 188390), (5910, 150712), (7880, 113034), (9456, 94195), (11820, 75356), (15760, 56517), (18839, 47280), (23640, 37678)]