20875392000

素因数分解:

$2^{10}\times 3^2\times 5^3\times {\mathrm{18121}}^1$

素因数の和:18162

約数の個数: 264

約数和(自身を含む): 75230148552

約数和(自身を除く): 54354756552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 256, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 512, 576, 600, 640, 720, 750, 768, 800, 900, 960, 1000, 1024, 1125, 1152, 1200, 1280, 1440, 1500, 1536, 1600, 1800, 1920, 2000, 2250, 2304, 2400, 2560, 2880, 3000, 3072, 3200, 3600, 3840, 4000, 4500, 4608, 4800, 5120, 5760, 6000, 6400, 7200, 7680, 8000, 9000, 9216, 9600, 11520, 12000, 12800, 14400, 15360, 16000, 18000, 18121, 19200, 23040, 24000, 25600, 28800, 32000, 36000, 36242, 38400, 46080, 48000, 54363, 57600, 64000, 72000, 72484, 76800, 90605, 96000, 108726, 115200, 128000, 144000, 144968, 163089, 181210, 192000, 217452, 230400, 271815, 288000, 289936, 326178, 362420, 384000, 434904, 453025, 543630, 576000, 579872, 652356, 724840, 815445, 869808, 906050, 1087260, 1152000, 1159744, 1304712, 1359075, 1449680, 1630890, 1739616, 1812100, 2174520, 2265125, 2319488, 2609424, 2718150, 2899360, 3261780, 3479232, 3624200, 4077225, 4349040, 4530250, 4638976, 5218848, 5436300, 5798720, 6523560, 6795375, 6958464, 7248400, 8154450, 8698080, 9060500, 9277952, 10437696, 10872600, 11597440, 13047120, 13590750, 13916928, 14496800, 16308900, 17396160, 18121000, 18555904, 20386125, 20875392, 21745200, 23194880, 26094240, 27181500, 27833856, 28993600, 32617800, 34792320, 36242000, 40772250, 41750784, 43490400, 46389760, 52188480, 54363000, 55667712, 57987200, 65235600, 69584640, 72484000, 81544500, 83501568, 86980800, 92779520, 104376960, 108726000, 115974400, 130471200, 139169280, 144968000, 163089000, 167003136, 173961600, 208753920, 217452000, 231948800, 260942400, 278338560, 289936000, 326178000, 347923200, 417507840, 434904000, 463897600, 521884800, 579872000, 652356000, 695846400, 835015680, 869808000, 1043769600, 1159744000, 1304712000, 1391692800, 1739616000, 2087539200, 2319488000, 2609424000, 3479232000, 4175078400, 5218848000, 6958464000, 10437696000, 20875392000]

約数ペア:

[(1, 20875392000), (2, 10437696000), (3, 6958464000), (4, 5218848000), (5, 4175078400), (6, 3479232000), (8, 2609424000), (9, 2319488000), (10, 2087539200), (12, 1739616000), (15, 1391692800), (16, 1304712000), (18, 1159744000), (20, 1043769600), (24, 869808000), (25, 835015680), (30, 695846400), (32, 652356000), (36, 579872000), (40, 521884800), (45, 463897600), (48, 434904000), (50, 417507840), (60, 347923200), (64, 326178000), (72, 289936000), (75, 278338560), (80, 260942400), (90, 231948800), (96, 217452000), (100, 208753920), (120, 173961600), (125, 167003136), (128, 163089000), (144, 144968000), (150, 139169280), (160, 130471200), (180, 115974400), (192, 108726000), (200, 104376960), (225, 92779520), (240, 86980800), (250, 83501568), (256, 81544500), (288, 72484000), (300, 69584640), (320, 65235600), (360, 57987200), (375, 55667712), (384, 54363000), (400, 52188480), (450, 46389760), (480, 43490400), (500, 41750784), (512, 40772250), (576, 36242000), (600, 34792320), (640, 32617800), (720, 28993600), (750, 27833856), (768, 27181500), (800, 26094240), (900, 23194880), (960, 21745200), (1000, 20875392), (1024, 20386125), (1125, 18555904), (1152, 18121000), (1200, 17396160), (1280, 16308900), (1440, 14496800), (1500, 13916928), (1536, 13590750), (1600, 13047120), (1800, 11597440), (1920, 10872600), (2000, 10437696), (2250, 9277952), (2304, 9060500), (2400, 8698080), (2560, 8154450), (2880, 7248400), (3000, 6958464), (3072, 6795375), (3200, 6523560), (3600, 5798720), (3840, 5436300), (4000, 5218848), (4500, 4638976), (4608, 4530250), (4800, 4349040), (5120, 4077225), (5760, 3624200), (6000, 3479232), (6400, 3261780), (7200, 2899360), (7680, 2718150), (8000, 2609424), (9000, 2319488), (9216, 2265125), (9600, 2174520), (11520, 1812100), (12000, 1739616), (12800, 1630890), (14400, 1449680), (15360, 1359075), (16000, 1304712), (18000, 1159744), (18121, 1152000), (19200, 1087260), (23040, 906050), (24000, 869808), (25600, 815445), (28800, 724840), (32000, 652356), (36000, 579872), (36242, 576000), (38400, 543630), (46080, 453025), (48000, 434904), (54363, 384000), (57600, 362420), (64000, 326178), (72000, 289936), (72484, 288000), (76800, 271815), (90605, 230400), (96000, 217452), (108726, 192000), (115200, 181210), (128000, 163089), (144000, 144968)]