20509614720

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{56519}}^1$

素因数の和:56557

約数の個数: 320

約数和(自身を含む): 83708380800

約数和(自身を除く): 63198766080

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, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2268, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 4032, 4320, 4480, 4536, 5040, 5184, 5670, 5760, 6048, 6480, 6720, 7560, 8064, 8640, 9072, 10080, 10368, 11340, 12096, 12960, 13440, 15120, 17280, 18144, 20160, 22680, 24192, 25920, 30240, 36288, 40320, 45360, 51840, 56519, 60480, 72576, 90720, 113038, 120960, 169557, 181440, 226076, 282595, 339114, 362880, 395633, 452152, 508671, 565190, 678228, 791266, 847785, 904304, 1017342, 1130380, 1186899, 1356456, 1526013, 1582532, 1695570, 1808608, 1978165, 2034684, 2260760, 2373798, 2543355, 2712912, 3052026, 3165064, 3391140, 3560697, 3617216, 3956330, 4069368, 4521520, 4578039, 4747596, 5086710, 5425824, 5934495, 6104052, 6330128, 6782280, 7121394, 7234432, 7630065, 7912660, 8138736, 9043040, 9156078, 9495192, 10173420, 10682091, 10851648, 11868990, 12208104, 12660256, 13564560, 14242788, 15260130, 15825320, 16277472, 17803485, 18086080, 18312156, 18990384, 20346840, 21364182, 21703296, 22890195, 23737980, 24416208, 25320512, 27129120, 28485576, 30520260, 31650640, 32046273, 32554944, 35606970, 36172160, 36624312, 37980768, 40693680, 42728364, 45780390, 47475960, 48832416, 50641024, 53410455, 54258240, 56971152, 61040520, 63301280, 64092546, 65109888, 71213940, 73248624, 75961536, 81387360, 85456728, 91560780, 94951920, 97664832, 106820910, 108516480, 113942304, 122081040, 126602560, 128185092, 142427880, 146497248, 151923072, 160231365, 162774720, 170913456, 183121560, 189903840, 195329664, 213641820, 227884608, 244162080, 253205120, 256370184, 284855760, 292994496, 320462730, 325549440, 341826912, 366243120, 379807680, 427283640, 455769216, 488324160, 512740368, 569711520, 585988992, 640925460, 683653824, 732486240, 759615360, 854567280, 976648320, 1025480736, 1139423040, 1281850920, 1367307648, 1464972480, 1709134560, 2050961472, 2278846080, 2563701840, 2929944960, 3418269120, 4101922944, 5127403680, 6836538240, 10254807360, 20509614720]

約数ペア:

[(1, 20509614720), (2, 10254807360), (3, 6836538240), (4, 5127403680), (5, 4101922944), (6, 3418269120), (7, 2929944960), (8, 2563701840), (9, 2278846080), (10, 2050961472), (12, 1709134560), (14, 1464972480), (15, 1367307648), (16, 1281850920), (18, 1139423040), (20, 1025480736), (21, 976648320), (24, 854567280), (27, 759615360), (28, 732486240), (30, 683653824), (32, 640925460), (35, 585988992), (36, 569711520), (40, 512740368), (42, 488324160), (45, 455769216), (48, 427283640), (54, 379807680), (56, 366243120), (60, 341826912), (63, 325549440), (64, 320462730), (70, 292994496), (72, 284855760), (80, 256370184), (81, 253205120), (84, 244162080), (90, 227884608), (96, 213641820), (105, 195329664), (108, 189903840), (112, 183121560), (120, 170913456), (126, 162774720), (128, 160231365), (135, 151923072), (140, 146497248), (144, 142427880), (160, 128185092), (162, 126602560), (168, 122081040), (180, 113942304), (189, 108516480), (192, 106820910), (210, 97664832), (216, 94951920), (224, 91560780), (240, 85456728), (252, 81387360), (270, 75961536), (280, 73248624), (288, 71213940), (315, 65109888), (320, 64092546), (324, 63301280), (336, 61040520), (360, 56971152), (378, 54258240), (384, 53410455), (405, 50641024), (420, 48832416), (432, 47475960), (448, 45780390), (480, 42728364), (504, 40693680), (540, 37980768), (560, 36624312), (567, 36172160), (576, 35606970), (630, 32554944), (640, 32046273), (648, 31650640), (672, 30520260), (720, 28485576), (756, 27129120), (810, 25320512), (840, 24416208), (864, 23737980), (896, 22890195), (945, 21703296), (960, 21364182), (1008, 20346840), (1080, 18990384), (1120, 18312156), (1134, 18086080), (1152, 17803485), (1260, 16277472), (1296, 15825320), (1344, 15260130), (1440, 14242788), (1512, 13564560), (1620, 12660256), (1680, 12208104), (1728, 11868990), (1890, 10851648), (1920, 10682091), (2016, 10173420), (2160, 9495192), (2240, 9156078), (2268, 9043040), (2520, 8138736), (2592, 7912660), (2688, 7630065), (2835, 7234432), (2880, 7121394), (3024, 6782280), (3240, 6330128), (3360, 6104052), (3456, 5934495), (3780, 5425824), (4032, 5086710), (4320, 4747596), (4480, 4578039), (4536, 4521520), (5040, 4069368), (5184, 3956330), (5670, 3617216), (5760, 3560697), (6048, 3391140), (6480, 3165064), (6720, 3052026), (7560, 2712912), (8064, 2543355), (8640, 2373798), (9072, 2260760), (10080, 2034684), (10368, 1978165), (11340, 1808608), (12096, 1695570), (12960, 1582532), (13440, 1526013), (15120, 1356456), (17280, 1186899), (18144, 1130380), (20160, 1017342), (22680, 904304), (24192, 847785), (25920, 791266), (30240, 678228), (36288, 565190), (40320, 508671), (45360, 452152), (51840, 395633), (56519, 362880), (60480, 339114), (72576, 282595), (90720, 226076), (113038, 181440), (120960, 169557)]