20900490240

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6703}}^1$

素因数の和:6767

約数の個数: 352

約数和(自身を含む): 79044986880

約数和(自身を除く): 58144496640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 256, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 512, 560, 580, 609, 640, 672, 696, 768, 812, 840, 870, 896, 928, 960, 1015, 1024, 1120, 1160, 1218, 1280, 1344, 1392, 1536, 1624, 1680, 1740, 1792, 1856, 1920, 2030, 2240, 2320, 2436, 2560, 2688, 2784, 3045, 3072, 3248, 3360, 3480, 3584, 3712, 3840, 4060, 4480, 4640, 4872, 5120, 5376, 5568, 6090, 6496, 6703, 6720, 6960, 7168, 7424, 7680, 8120, 8960, 9280, 9744, 10752, 11136, 12180, 12992, 13406, 13440, 13920, 14848, 15360, 16240, 17920, 18560, 19488, 20109, 21504, 22272, 24360, 25984, 26812, 26880, 27840, 29696, 32480, 33515, 35840, 37120, 38976, 40218, 44544, 46921, 48720, 51968, 53624, 53760, 55680, 64960, 67030, 74240, 77952, 80436, 89088, 93842, 97440, 100545, 103936, 107248, 107520, 111360, 129920, 134060, 140763, 148480, 155904, 160872, 187684, 194387, 194880, 201090, 207872, 214496, 222720, 234605, 259840, 268120, 281526, 311808, 321744, 375368, 388774, 389760, 402180, 428992, 445440, 469210, 519680, 536240, 563052, 583161, 623616, 643488, 703815, 750736, 777548, 779520, 804360, 857984, 938420, 971935, 1039360, 1072480, 1126104, 1166322, 1286976, 1360709, 1407630, 1501472, 1555096, 1559040, 1608720, 1715968, 1876840, 1943870, 2144960, 2252208, 2332644, 2573952, 2721418, 2815260, 2915805, 3002944, 3110192, 3118080, 3217440, 3431936, 3753680, 3887740, 4082127, 4289920, 4504416, 4665288, 5147904, 5442836, 5630520, 5831610, 6005888, 6220384, 6434880, 6803545, 6863872, 7507360, 7775480, 8164254, 8579840, 9008832, 9330576, 10295808, 10885672, 11261040, 11663220, 12011776, 12440768, 12869760, 13607090, 15014720, 15550960, 16328508, 17159680, 18017664, 18661152, 20410635, 20591616, 21771344, 22522080, 23326440, 24023552, 24881536, 25739520, 27214180, 30029440, 31101920, 32657016, 34319360, 36035328, 37322304, 40821270, 43542688, 45044160, 46652880, 48047104, 49763072, 51479040, 54428360, 60058880, 62203840, 65314032, 72070656, 74644608, 81642540, 87085376, 90088320, 93305760, 99526144, 102958080, 108856720, 120117760, 124407680, 130628064, 144141312, 149289216, 163285080, 174170752, 180176640, 186611520, 199052288, 217713440, 240235520, 248815360, 261256128, 298578432, 326570160, 348341504, 360353280, 373223040, 435426880, 497630720, 522512256, 597156864, 653140320, 696683008, 720706560, 746446080, 870853760, 995261440, 1045024512, 1306280640, 1393366016, 1492892160, 1741707520, 2090049024, 2612561280, 2985784320, 3483415040, 4180098048, 5225122560, 6966830080, 10450245120, 20900490240]

約数ペア:

[(1, 20900490240), (2, 10450245120), (3, 6966830080), (4, 5225122560), (5, 4180098048), (6, 3483415040), (7, 2985784320), (8, 2612561280), (10, 2090049024), (12, 1741707520), (14, 1492892160), (15, 1393366016), (16, 1306280640), (20, 1045024512), (21, 995261440), (24, 870853760), (28, 746446080), (29, 720706560), (30, 696683008), (32, 653140320), (35, 597156864), (40, 522512256), (42, 497630720), (48, 435426880), (56, 373223040), (58, 360353280), (60, 348341504), (64, 326570160), (70, 298578432), (80, 261256128), (84, 248815360), (87, 240235520), (96, 217713440), (105, 199052288), (112, 186611520), (116, 180176640), (120, 174170752), (128, 163285080), (140, 149289216), (145, 144141312), (160, 130628064), (168, 124407680), (174, 120117760), (192, 108856720), (203, 102958080), (210, 99526144), (224, 93305760), (232, 90088320), (240, 87085376), (256, 81642540), (280, 74644608), (290, 72070656), (320, 65314032), (336, 62203840), (348, 60058880), (384, 54428360), (406, 51479040), (420, 49763072), (435, 48047104), (448, 46652880), (464, 45044160), (480, 43542688), (512, 40821270), (560, 37322304), (580, 36035328), (609, 34319360), (640, 32657016), (672, 31101920), (696, 30029440), (768, 27214180), (812, 25739520), (840, 24881536), (870, 24023552), (896, 23326440), (928, 22522080), (960, 21771344), (1015, 20591616), (1024, 20410635), (1120, 18661152), (1160, 18017664), (1218, 17159680), (1280, 16328508), (1344, 15550960), (1392, 15014720), (1536, 13607090), (1624, 12869760), (1680, 12440768), (1740, 12011776), (1792, 11663220), (1856, 11261040), (1920, 10885672), (2030, 10295808), (2240, 9330576), (2320, 9008832), (2436, 8579840), (2560, 8164254), (2688, 7775480), (2784, 7507360), (3045, 6863872), (3072, 6803545), (3248, 6434880), (3360, 6220384), (3480, 6005888), (3584, 5831610), (3712, 5630520), (3840, 5442836), (4060, 5147904), (4480, 4665288), (4640, 4504416), (4872, 4289920), (5120, 4082127), (5376, 3887740), (5568, 3753680), (6090, 3431936), (6496, 3217440), (6703, 3118080), (6720, 3110192), (6960, 3002944), (7168, 2915805), (7424, 2815260), (7680, 2721418), (8120, 2573952), (8960, 2332644), (9280, 2252208), (9744, 2144960), (10752, 1943870), (11136, 1876840), (12180, 1715968), (12992, 1608720), (13406, 1559040), (13440, 1555096), (13920, 1501472), (14848, 1407630), (15360, 1360709), (16240, 1286976), (17920, 1166322), (18560, 1126104), (19488, 1072480), (20109, 1039360), (21504, 971935), (22272, 938420), (24360, 857984), (25984, 804360), (26812, 779520), (26880, 777548), (27840, 750736), (29696, 703815), (32480, 643488), (33515, 623616), (35840, 583161), (37120, 563052), (38976, 536240), (40218, 519680), (44544, 469210), (46921, 445440), (48720, 428992), (51968, 402180), (53624, 389760), (53760, 388774), (55680, 375368), (64960, 321744), (67030, 311808), (74240, 281526), (77952, 268120), (80436, 259840), (89088, 234605), (93842, 222720), (97440, 214496), (100545, 207872), (103936, 201090), (107248, 194880), (107520, 194387), (111360, 187684), (129920, 160872), (134060, 155904), (140763, 148480)]