20181648960

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70783}}^1$

素因数の和:70823

約数の個数: 280

約数和(自身を含む): 78317116416

約数和(自身を除く): 58135467456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 576, 594, 648, 660, 704, 720, 792, 810, 864, 880, 891, 960, 990, 1056, 1080, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1728, 1760, 1782, 1980, 2112, 2160, 2376, 2592, 2640, 2880, 2970, 3168, 3240, 3520, 3564, 3960, 4320, 4455, 4752, 5184, 5280, 5940, 6336, 6480, 7128, 7920, 8640, 8910, 9504, 10560, 11880, 12960, 14256, 15840, 17820, 19008, 23760, 25920, 28512, 31680, 35640, 47520, 57024, 70783, 71280, 95040, 141566, 142560, 212349, 283132, 285120, 353915, 424698, 566264, 637047, 707830, 778613, 849396, 1061745, 1132528, 1274094, 1415660, 1557226, 1698792, 1911141, 2123490, 2265056, 2335839, 2548188, 2831320, 3114452, 3185235, 3397584, 3822282, 3893065, 4246980, 4530112, 4671678, 5096376, 5662640, 5733423, 6228904, 6370470, 6795168, 7007517, 7644564, 7786130, 8493960, 9343356, 9555705, 10192752, 11325280, 11466846, 11679195, 12457808, 12740940, 13590336, 14015034, 15289128, 15572260, 16987920, 18686712, 19111410, 20385504, 21022551, 22650560, 22933692, 23358390, 24915616, 25481880, 28030068, 28667115, 30578256, 31144520, 33975840, 35037585, 37373424, 38222820, 40771008, 42045102, 45867384, 46716780, 49831232, 50963760, 56060136, 57334230, 61156512, 62289040, 63067653, 67951680, 70075170, 74746848, 76445640, 84090204, 91734768, 93433560, 101927520, 105112755, 112120272, 114668460, 122313024, 124578080, 126135306, 140150340, 149493696, 152891280, 168180408, 183469536, 186867120, 203855040, 210225510, 224240544, 229336920, 249156160, 252270612, 280300680, 305782560, 315338265, 336360816, 366939072, 373734240, 420451020, 448481088, 458673840, 504541224, 560601360, 611565120, 630676530, 672721632, 747468480, 840902040, 917347680, 1009082448, 1121202720, 1261353060, 1345443264, 1681804080, 1834695360, 2018164896, 2242405440, 2522706120, 3363608160, 4036329792, 5045412240, 6727216320, 10090824480, 20181648960]

約数ペア:

[(1, 20181648960), (2, 10090824480), (3, 6727216320), (4, 5045412240), (5, 4036329792), (6, 3363608160), (8, 2522706120), (9, 2242405440), (10, 2018164896), (11, 1834695360), (12, 1681804080), (15, 1345443264), (16, 1261353060), (18, 1121202720), (20, 1009082448), (22, 917347680), (24, 840902040), (27, 747468480), (30, 672721632), (32, 630676530), (33, 611565120), (36, 560601360), (40, 504541224), (44, 458673840), (45, 448481088), (48, 420451020), (54, 373734240), (55, 366939072), (60, 336360816), (64, 315338265), (66, 305782560), (72, 280300680), (80, 252270612), (81, 249156160), (88, 229336920), (90, 224240544), (96, 210225510), (99, 203855040), (108, 186867120), (110, 183469536), (120, 168180408), (132, 152891280), (135, 149493696), (144, 140150340), (160, 126135306), (162, 124578080), (165, 122313024), (176, 114668460), (180, 112120272), (192, 105112755), (198, 101927520), (216, 93433560), (220, 91734768), (240, 84090204), (264, 76445640), (270, 74746848), (288, 70075170), (297, 67951680), (320, 63067653), (324, 62289040), (330, 61156512), (352, 57334230), (360, 56060136), (396, 50963760), (405, 49831232), (432, 46716780), (440, 45867384), (480, 42045102), (495, 40771008), (528, 38222820), (540, 37373424), (576, 35037585), (594, 33975840), (648, 31144520), (660, 30578256), (704, 28667115), (720, 28030068), (792, 25481880), (810, 24915616), (864, 23358390), (880, 22933692), (891, 22650560), (960, 21022551), (990, 20385504), (1056, 19111410), (1080, 18686712), (1188, 16987920), (1296, 15572260), (1320, 15289128), (1440, 14015034), (1485, 13590336), (1584, 12740940), (1620, 12457808), (1728, 11679195), (1760, 11466846), (1782, 11325280), (1980, 10192752), (2112, 9555705), (2160, 9343356), (2376, 8493960), (2592, 7786130), (2640, 7644564), (2880, 7007517), (2970, 6795168), (3168, 6370470), (3240, 6228904), (3520, 5733423), (3564, 5662640), (3960, 5096376), (4320, 4671678), (4455, 4530112), (4752, 4246980), (5184, 3893065), (5280, 3822282), (5940, 3397584), (6336, 3185235), (6480, 3114452), (7128, 2831320), (7920, 2548188), (8640, 2335839), (8910, 2265056), (9504, 2123490), (10560, 1911141), (11880, 1698792), (12960, 1557226), (14256, 1415660), (15840, 1274094), (17820, 1132528), (19008, 1061745), (23760, 849396), (25920, 778613), (28512, 707830), (31680, 637047), (35640, 566264), (47520, 424698), (57024, 353915), (70783, 285120), (71280, 283132), (95040, 212349), (141566, 142560)]