20399662080

素因数分解:

$2^{10}\times 3^4\times 5^1\times 7^1\times {\mathrm{7027}}^1$

素因数の和:7071

約数の個数: 440

約数和(自身を含む): 83555723328

約数和(自身を除く): 63156061248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 512, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1536, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2560, 2592, 2688, 2835, 2880, 3024, 3072, 3240, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4536, 4608, 5040, 5120, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7027, 7168, 7560, 7680, 8064, 8640, 8960, 9072, 9216, 10080, 10368, 10752, 11340, 11520, 12096, 12960, 13440, 13824, 14054, 15120, 15360, 16128, 17280, 17920, 18144, 20160, 20736, 21081, 21504, 22680, 23040, 24192, 25920, 26880, 27648, 28108, 30240, 32256, 34560, 35135, 35840, 36288, 40320, 41472, 42162, 45360, 46080, 48384, 49189, 51840, 53760, 56216, 60480, 63243, 64512, 69120, 70270, 72576, 80640, 82944, 84324, 90720, 96768, 98378, 103680, 105405, 107520, 112432, 120960, 126486, 138240, 140540, 145152, 147567, 161280, 168648, 181440, 189729, 193536, 196756, 207360, 210810, 224864, 241920, 245945, 252972, 281080, 290304, 295134, 316215, 322560, 337296, 362880, 379458, 393512, 414720, 421620, 442701, 449728, 483840, 491890, 505944, 562160, 569187, 580608, 590268, 632430, 674592, 725760, 737835, 758916, 787024, 843240, 885402, 899456, 948645, 967680, 983780, 1011888, 1124320, 1138374, 1180536, 1264860, 1328103, 1349184, 1451520, 1475670, 1517832, 1574048, 1686480, 1770804, 1798912, 1897290, 1967560, 2023776, 2213505, 2248640, 2276748, 2361072, 2529720, 2656206, 2698368, 2845935, 2903040, 2951340, 3035664, 3148096, 3372960, 3541608, 3597824, 3794580, 3935120, 3984309, 4047552, 4427010, 4497280, 4553496, 4722144, 5059440, 5312412, 5396736, 5691870, 5902680, 6071328, 6296192, 6640515, 6745920, 7083216, 7195648, 7589160, 7870240, 7968618, 8095104, 8854020, 8994560, 9106992, 9444288, 10118880, 10624824, 10793472, 11383740, 11805360, 12142656, 12592384, 13281030, 13491840, 14166432, 15178320, 15740480, 15937236, 16190208, 17708040, 17989120, 18213984, 18888576, 19921545, 20237760, 21249648, 21586944, 22767480, 23610720, 24285312, 25184768, 26562060, 26983680, 28332864, 30356640, 31480960, 31874472, 32380416, 35416080, 35978240, 36427968, 37777152, 39843090, 40475520, 42499296, 45534960, 47221440, 48570624, 50369536, 53124120, 53967360, 56665728, 60713280, 62961920, 63748944, 64760832, 70832160, 72855936, 75554304, 79686180, 80951040, 84998592, 91069920, 94442880, 97141248, 106248240, 107934720, 113331456, 121426560, 125923840, 127497888, 141664320, 145711872, 151108608, 159372360, 161902080, 169997184, 182139840, 188885760, 194282496, 212496480, 226662912, 242853120, 251847680, 254995776, 283328640, 291423744, 318744720, 323804160, 339994368, 364279680, 377771520, 424992960, 453325824, 485706240, 509991552, 566657280, 582847488, 637489440, 679988736, 728559360, 755543040, 849985920, 971412480, 1019983104, 1133314560, 1274978880, 1359977472, 1457118720, 1699971840, 2039966208, 2266629120, 2549957760, 2914237440, 3399943680, 4079932416, 5099915520, 6799887360, 10199831040, 20399662080]

約数ペア:

[(1, 20399662080), (2, 10199831040), (3, 6799887360), (4, 5099915520), (5, 4079932416), (6, 3399943680), (7, 2914237440), (8, 2549957760), (9, 2266629120), (10, 2039966208), (12, 1699971840), (14, 1457118720), (15, 1359977472), (16, 1274978880), (18, 1133314560), (20, 1019983104), (21, 971412480), (24, 849985920), (27, 755543040), (28, 728559360), (30, 679988736), (32, 637489440), (35, 582847488), (36, 566657280), (40, 509991552), (42, 485706240), (45, 453325824), (48, 424992960), (54, 377771520), (56, 364279680), (60, 339994368), (63, 323804160), (64, 318744720), (70, 291423744), (72, 283328640), (80, 254995776), (81, 251847680), (84, 242853120), (90, 226662912), (96, 212496480), (105, 194282496), (108, 188885760), (112, 182139840), (120, 169997184), (126, 161902080), (128, 159372360), (135, 151108608), (140, 145711872), (144, 141664320), (160, 127497888), (162, 125923840), (168, 121426560), (180, 113331456), (189, 107934720), (192, 106248240), (210, 97141248), (216, 94442880), (224, 91069920), (240, 84998592), (252, 80951040), (256, 79686180), (270, 75554304), (280, 72855936), (288, 70832160), (315, 64760832), (320, 63748944), (324, 62961920), (336, 60713280), (360, 56665728), (378, 53967360), (384, 53124120), (405, 50369536), (420, 48570624), (432, 47221440), (448, 45534960), (480, 42499296), (504, 40475520), (512, 39843090), (540, 37777152), (560, 36427968), (567, 35978240), (576, 35416080), (630, 32380416), (640, 31874472), (648, 31480960), (672, 30356640), (720, 28332864), (756, 26983680), (768, 26562060), (810, 25184768), (840, 24285312), (864, 23610720), (896, 22767480), (945, 21586944), (960, 21249648), (1008, 20237760), (1024, 19921545), (1080, 18888576), (1120, 18213984), (1134, 17989120), (1152, 17708040), (1260, 16190208), (1280, 15937236), (1296, 15740480), (1344, 15178320), (1440, 14166432), (1512, 13491840), (1536, 13281030), (1620, 12592384), (1680, 12142656), (1728, 11805360), (1792, 11383740), (1890, 10793472), (1920, 10624824), (2016, 10118880), (2160, 9444288), (2240, 9106992), (2268, 8994560), (2304, 8854020), (2520, 8095104), (2560, 7968618), (2592, 7870240), (2688, 7589160), (2835, 7195648), (2880, 7083216), (3024, 6745920), (3072, 6640515), (3240, 6296192), (3360, 6071328), (3456, 5902680), (3584, 5691870), (3780, 5396736), (3840, 5312412), (4032, 5059440), (4320, 4722144), (4480, 4553496), (4536, 4497280), (4608, 4427010), (5040, 4047552), (5120, 3984309), (5184, 3935120), (5376, 3794580), (5670, 3597824), (5760, 3541608), (6048, 3372960), (6480, 3148096), (6720, 3035664), (6912, 2951340), (7027, 2903040), (7168, 2845935), (7560, 2698368), (7680, 2656206), (8064, 2529720), (8640, 2361072), (8960, 2276748), (9072, 2248640), (9216, 2213505), (10080, 2023776), (10368, 1967560), (10752, 1897290), (11340, 1798912), (11520, 1770804), (12096, 1686480), (12960, 1574048), (13440, 1517832), (13824, 1475670), (14054, 1451520), (15120, 1349184), (15360, 1328103), (16128, 1264860), (17280, 1180536), (17920, 1138374), (18144, 1124320), (20160, 1011888), (20736, 983780), (21081, 967680), (21504, 948645), (22680, 899456), (23040, 885402), (24192, 843240), (25920, 787024), (26880, 758916), (27648, 737835), (28108, 725760), (30240, 674592), (32256, 632430), (34560, 590268), (35135, 580608), (35840, 569187), (36288, 562160), (40320, 505944), (41472, 491890), (42162, 483840), (45360, 449728), (46080, 442701), (48384, 421620), (49189, 414720), (51840, 393512), (53760, 379458), (56216, 362880), (60480, 337296), (63243, 322560), (64512, 316215), (69120, 295134), (70270, 290304), (72576, 281080), (80640, 252972), (82944, 245945), (84324, 241920), (90720, 224864), (96768, 210810), (98378, 207360), (103680, 196756), (105405, 193536), (107520, 189729), (112432, 181440), (120960, 168648), (126486, 161280), (138240, 147567), (140540, 145152)]