2780818560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12379}}^1$

素因数の和:12420

約数の個数: 256

約数和(自身を含む): 10607184000

約数和(自身を除く): 7826365440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5760, 6240, 7020, 7488, 8320, 8640, 9360, 11232, 12379, 12480, 14040, 14976, 17280, 18720, 22464, 24758, 24960, 28080, 37137, 37440, 44928, 49516, 56160, 61895, 74274, 74880, 99032, 111411, 112320, 123790, 148548, 160927, 185685, 198064, 222822, 224640, 247580, 297096, 321854, 334233, 371370, 396128, 445644, 482781, 495160, 557055, 594192, 643708, 668466, 742740, 792256, 804635, 891288, 965562, 990320, 1114110, 1188384, 1287416, 1336932, 1448343, 1485480, 1584512, 1609270, 1671165, 1782576, 1931124, 1980640, 2228220, 2376768, 2413905, 2574832, 2673864, 2896686, 2970960, 3218540, 3342330, 3565152, 3862248, 3961280, 4345029, 4456440, 4753536, 4827810, 5149664, 5347728, 5793372, 5941920, 6437080, 6684660, 7130304, 7241715, 7724496, 7922560, 8690058, 8912880, 9655620, 10299328, 10695456, 11586744, 11883840, 12874160, 13369320, 14260608, 14483430, 15448992, 17380116, 17825760, 19311240, 20598656, 21390912, 21725145, 23173488, 23767680, 25748320, 26738640, 28966860, 30897984, 34760232, 35651520, 38622480, 42781824, 43450290, 46346976, 51496640, 53477280, 57933720, 61795968, 69520464, 71303040, 77244960, 86900580, 92693952, 102993280, 106954560, 115867440, 139040928, 154489920, 173801160, 185387904, 213909120, 231734880, 278081856, 308979840, 347602320, 463469760, 556163712, 695204640, 926939520, 1390409280, 2780818560]

約数ペア:

[(1, 2780818560), (2, 1390409280), (3, 926939520), (4, 695204640), (5, 556163712), (6, 463469760), (8, 347602320), (9, 308979840), (10, 278081856), (12, 231734880), (13, 213909120), (15, 185387904), (16, 173801160), (18, 154489920), (20, 139040928), (24, 115867440), (26, 106954560), (27, 102993280), (30, 92693952), (32, 86900580), (36, 77244960), (39, 71303040), (40, 69520464), (45, 61795968), (48, 57933720), (52, 53477280), (54, 51496640), (60, 46346976), (64, 43450290), (65, 42781824), (72, 38622480), (78, 35651520), (80, 34760232), (90, 30897984), (96, 28966860), (104, 26738640), (108, 25748320), (117, 23767680), (120, 23173488), (128, 21725145), (130, 21390912), (135, 20598656), (144, 19311240), (156, 17825760), (160, 17380116), (180, 15448992), (192, 14483430), (195, 14260608), (208, 13369320), (216, 12874160), (234, 11883840), (240, 11586744), (260, 10695456), (270, 10299328), (288, 9655620), (312, 8912880), (320, 8690058), (351, 7922560), (360, 7724496), (384, 7241715), (390, 7130304), (416, 6684660), (432, 6437080), (468, 5941920), (480, 5793372), (520, 5347728), (540, 5149664), (576, 4827810), (585, 4753536), (624, 4456440), (640, 4345029), (702, 3961280), (720, 3862248), (780, 3565152), (832, 3342330), (864, 3218540), (936, 2970960), (960, 2896686), (1040, 2673864), (1080, 2574832), (1152, 2413905), (1170, 2376768), (1248, 2228220), (1404, 1980640), (1440, 1931124), (1560, 1782576), (1664, 1671165), (1728, 1609270), (1755, 1584512), (1872, 1485480), (1920, 1448343), (2080, 1336932), (2160, 1287416), (2340, 1188384), (2496, 1114110), (2808, 990320), (2880, 965562), (3120, 891288), (3456, 804635), (3510, 792256), (3744, 742740), (4160, 668466), (4320, 643708), (4680, 594192), (4992, 557055), (5616, 495160), (5760, 482781), (6240, 445644), (7020, 396128), (7488, 371370), (8320, 334233), (8640, 321854), (9360, 297096), (11232, 247580), (12379, 224640), (12480, 222822), (14040, 198064), (14976, 185685), (17280, 160927), (18720, 148548), (22464, 123790), (24758, 112320), (24960, 111411), (28080, 99032), (37137, 74880), (37440, 74274), (44928, 61895), (49516, 56160)]