21607808000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{223}}^1\times {\mathrm{757}}^1$

素因数の和:1015

約数の個数: 176

約数和(自身を含む): 54220018944

約数和(自身を除く): 32612210944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 223, 250, 256, 320, 400, 446, 500, 512, 640, 757, 800, 892, 1000, 1024, 1115, 1280, 1514, 1600, 1784, 2000, 2230, 2560, 3028, 3200, 3568, 3785, 4000, 4460, 5120, 5575, 6056, 6400, 7136, 7570, 8000, 8920, 11150, 12112, 12800, 14272, 15140, 16000, 17840, 18925, 22300, 24224, 25600, 27875, 28544, 30280, 32000, 35680, 37850, 44600, 48448, 55750, 57088, 60560, 64000, 71360, 75700, 89200, 94625, 96896, 111500, 114176, 121120, 128000, 142720, 151400, 168811, 178400, 189250, 193792, 223000, 228352, 242240, 285440, 302800, 337622, 356800, 378500, 387584, 446000, 484480, 570880, 605600, 675244, 713600, 757000, 775168, 844055, 892000, 968960, 1141760, 1211200, 1350488, 1427200, 1514000, 1688110, 1784000, 1937920, 2422400, 2700976, 2854400, 3028000, 3376220, 3568000, 3875840, 4220275, 4844800, 5401952, 5708800, 6056000, 6752440, 7136000, 8440550, 9689600, 10803904, 12112000, 13504880, 14272000, 16881100, 19379200, 21101375, 21607808, 24224000, 27009760, 28544000, 33762200, 42202750, 43215616, 48448000, 54019520, 67524400, 84405500, 86431232, 96896000, 108039040, 135048800, 168811000, 172862464, 216078080, 270097600, 337622000, 432156160, 540195200, 675244000, 864312320, 1080390400, 1350488000, 2160780800, 2700976000, 4321561600, 5401952000, 10803904000, 21607808000]

約数ペア:

[(1, 21607808000), (2, 10803904000), (4, 5401952000), (5, 4321561600), (8, 2700976000), (10, 2160780800), (16, 1350488000), (20, 1080390400), (25, 864312320), (32, 675244000), (40, 540195200), (50, 432156160), (64, 337622000), (80, 270097600), (100, 216078080), (125, 172862464), (128, 168811000), (160, 135048800), (200, 108039040), (223, 96896000), (250, 86431232), (256, 84405500), (320, 67524400), (400, 54019520), (446, 48448000), (500, 43215616), (512, 42202750), (640, 33762200), (757, 28544000), (800, 27009760), (892, 24224000), (1000, 21607808), (1024, 21101375), (1115, 19379200), (1280, 16881100), (1514, 14272000), (1600, 13504880), (1784, 12112000), (2000, 10803904), (2230, 9689600), (2560, 8440550), (3028, 7136000), (3200, 6752440), (3568, 6056000), (3785, 5708800), (4000, 5401952), (4460, 4844800), (5120, 4220275), (5575, 3875840), (6056, 3568000), (6400, 3376220), (7136, 3028000), (7570, 2854400), (8000, 2700976), (8920, 2422400), (11150, 1937920), (12112, 1784000), (12800, 1688110), (14272, 1514000), (15140, 1427200), (16000, 1350488), (17840, 1211200), (18925, 1141760), (22300, 968960), (24224, 892000), (25600, 844055), (27875, 775168), (28544, 757000), (30280, 713600), (32000, 675244), (35680, 605600), (37850, 570880), (44600, 484480), (48448, 446000), (55750, 387584), (57088, 378500), (60560, 356800), (64000, 337622), (71360, 302800), (75700, 285440), (89200, 242240), (94625, 228352), (96896, 223000), (111500, 193792), (114176, 189250), (121120, 178400), (128000, 168811), (142720, 151400)]