20801341440

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 864

約数和(自身を含む): 84722863680

約数和(自身を除く): 63921522240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 64, 66, 68, 71, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 128, 132, 136, 142, 144, 153, 160, 165, 170, 176, 180, 187, 192, 198, 204, 213, 220, 240, 255, 256, 264, 272, 284, 288, 289, 306, 320, 330, 340, 352, 355, 360, 374, 384, 396, 408, 426, 440, 480, 495, 510, 512, 528, 544, 561, 568, 576, 578, 612, 639, 640, 660, 680, 704, 710, 720, 748, 765, 768, 781, 792, 816, 852, 867, 880, 935, 960, 990, 1020, 1024, 1056, 1065, 1088, 1122, 1136, 1152, 1156, 1207, 1224, 1278, 1280, 1320, 1360, 1408, 1420, 1440, 1445, 1496, 1530, 1536, 1562, 1584, 1632, 1683, 1704, 1734, 1760, 1870, 1920, 1980, 2040, 2048, 2112, 2130, 2176, 2244, 2272, 2304, 2312, 2343, 2414, 2448, 2556, 2560, 2601, 2640, 2720, 2805, 2816, 2840, 2880, 2890, 2992, 3060, 3072, 3124, 3168, 3179, 3195, 3264, 3366, 3408, 3468, 3520, 3621, 3740, 3840, 3905, 3960, 4080, 4224, 4260, 4335, 4352, 4488, 4544, 4608, 4624, 4686, 4828, 4896, 5112, 5120, 5202, 5280, 5440, 5610, 5632, 5680, 5760, 5780, 5984, 6035, 6120, 6144, 6248, 6336, 6358, 6390, 6528, 6732, 6816, 6936, 7029, 7040, 7242, 7480, 7680, 7810, 7920, 8160, 8415, 8448, 8520, 8670, 8704, 8976, 9088, 9216, 9248, 9372, 9537, 9656, 9792, 10224, 10240, 10404, 10560, 10863, 10880, 11220, 11264, 11360, 11520, 11560, 11715, 11968, 12070, 12240, 12496, 12672, 12716, 12780, 13005, 13056, 13277, 13464, 13632, 13872, 14058, 14080, 14484, 14960, 15360, 15620, 15840, 15895, 16320, 16830, 16896, 17040, 17340, 17408, 17952, 18105, 18176, 18432, 18496, 18744, 19074, 19312, 19584, 20448, 20519, 20808, 21120, 21726, 21760, 22440, 22528, 22720, 23040, 23120, 23430, 23936, 24140, 24480, 24992, 25344, 25432, 25560, 26010, 26112, 26554, 26928, 27264, 27744, 28116, 28160, 28611, 28968, 29920, 30720, 31240, 31680, 31790, 32640, 33660, 33792, 34080, 34680, 34816, 35145, 35904, 36210, 36352, 36992, 37488, 38148, 38624, 39168, 39831, 40896, 41038, 41616, 42240, 43452, 43520, 44880, 45440, 46080, 46240, 46860, 47685, 47872, 48280, 48960, 49984, 50688, 50864, 51120, 52020, 52224, 53108, 53856, 54315, 54528, 55488, 56232, 56320, 57222, 57936, 59840, 61557, 62480, 63360, 63580, 65280, 66385, 67320, 67584, 68160, 69360, 70290, 71808, 72420, 72704, 73984, 74976, 76296, 77248, 78336, 79662, 81792, 82076, 83232, 84480, 86904, 87040, 89760, 90880, 92160, 92480, 93720, 95370, 95744, 96560, 97920, 99968, 101376, 101728, 102240, 102595, 104040, 104448, 106216, 107712, 108630, 109056, 110976, 112464, 112640, 114444, 115872, 119493, 119680, 123114, 124960, 126720, 127160, 130560, 132770, 134640, 136320, 138720, 140580, 143055, 143616, 144840, 145408, 147968, 149952, 152592, 154496, 156672, 159324, 163584, 164152, 166464, 168960, 173808, 174080, 179520, 181760, 184671, 184960, 187440, 190740, 191488, 193120, 195840, 199155, 199936, 202752, 203456, 204480, 205190, 208080, 212432, 215424, 217260, 218112, 221952, 224928, 225709, 228888, 231744, 238986, 239360, 246228, 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約数ペア:

[(1, 20801341440), (2, 10400670720), (3, 6933780480), (4, 5200335360), (5, 4160268288), (6, 3466890240), (8, 2600167680), (9, 2311260160), (10, 2080134144), (11, 1891031040), (12, 1733445120), (15, 1386756096), (16, 1300083840), (17, 1223608320), (18, 1155630080), (20, 1040067072), (22, 945515520), (24, 866722560), (30, 693378048), (32, 650041920), (33, 630343680), (34, 611804160), (36, 577815040), (40, 520033536), (44, 472757760), (45, 462252032), (48, 433361280), (51, 407869440), (55, 378206208), (60, 346689024), (64, 325020960), (66, 315171840), (68, 305902080), (71, 292976640), (72, 288907520), (80, 260016768), (85, 244721664), (88, 236378880), (90, 231126016), (96, 216680640), (99, 210114560), (102, 203934720), (110, 189103104), (120, 173344512), (128, 162510480), (132, 157585920), (136, 152951040), (142, 146488320), (144, 144453760), (153, 135956480), (160, 130008384), (165, 126068736), (170, 122360832), (176, 118189440), (180, 115563008), (187, 111237120), (192, 108340320), (198, 105057280), (204, 101967360), (213, 97658880), (220, 94551552), (240, 86672256), (255, 81573888), (256, 81255240), (264, 78792960), (272, 76475520), (284, 73244160), (288, 72226880), (289, 71976960), (306, 67978240), (320, 65004192), (330, 63034368), (340, 61180416), (352, 59094720), (355, 58595328), (360, 57781504), (374, 55618560), (384, 54170160), (396, 52528640), (408, 50983680), (426, 48829440), (440, 47275776), (480, 43336128), (495, 42022912), (510, 40786944), (512, 40627620), (528, 39396480), (544, 38237760), (561, 37079040), (568, 36622080), (576, 36113440), (578, 35988480), (612, 33989120), (639, 32552960), (640, 32502096), (660, 31517184), (680, 30590208), (704, 29547360), (710, 29297664), (720, 28890752), (748, 27809280), (765, 27191296), (768, 27085080), (781, 26634240), (792, 26264320), (816, 25491840), (852, 24414720), (867, 23992320), (880, 23637888), (935, 22247424), (960, 21668064), (990, 21011456), (1020, 20393472), (1024, 20313810), (1056, 19698240), (1065, 19531776), (1088, 19118880), (1122, 18539520), (1136, 18311040), (1152, 18056720), (1156, 17994240), (1207, 17233920), (1224, 16994560), (1278, 16276480), (1280, 16251048), (1320, 15758592), (1360, 15295104), (1408, 14773680), (1420, 14648832), (1440, 14445376), (1445, 14395392), (1496, 13904640), (1530, 13595648), (1536, 13542540), (1562, 13317120), (1584, 13132160), (1632, 12745920), (1683, 12359680), (1704, 12207360), (1734, 11996160), (1760, 11818944), (1870, 11123712), (1920, 10834032), (1980, 10505728), (2040, 10196736), (2048, 10156905), (2112, 9849120), (2130, 9765888), (2176, 9559440), (2244, 9269760), (2272, 9155520), (2304, 9028360), (2312, 8997120), (2343, 8878080), (2414, 8616960), (2448, 8497280), (2556, 8138240), (2560, 8125524), (2601, 7997440), (2640, 7879296), (2720, 7647552), (2805, 7415808), (2816, 7386840), (2840, 7324416), (2880, 7222688), (2890, 7197696), (2992, 6952320), (3060, 6797824), (3072, 6771270), (3124, 6658560), (3168, 6566080), (3179, 6543360), (3195, 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(9088, 2288880), (9216, 2257090), (9248, 2249280), (9372, 2219520), (9537, 2181120), (9656, 2154240), (9792, 2124320), (10224, 2034560), (10240, 2031381), (10404, 1999360), (10560, 1969824), (10863, 1914880), (10880, 1911888), (11220, 1853952), (11264, 1846710), (11360, 1831104), (11520, 1805672), (11560, 1799424), (11715, 1775616), (11968, 1738080), (12070, 1723392), (12240, 1699456), (12496, 1664640), (12672, 1641520), (12716, 1635840), (12780, 1627648), (13005, 1599488), (13056, 1593240), (13277, 1566720), (13464, 1544960), (13632, 1525920), (13872, 1499520), (14058, 1479680), (14080, 1477368), (14484, 1436160), (14960, 1390464), (15360, 1354254), (15620, 1331712), (15840, 1313216), (15895, 1308672), (16320, 1274592), (16830, 1235968), (16896, 1231140), (17040, 1220736), (17340, 1199616), (17408, 1194930), (17952, 1158720), (18105, 1148928), (18176, 1144440), (18432, 1128545), (18496, 1124640), (18744, 1109760), (19074, 1090560), (19312, 1077120), (19584, 1062160), (20448, 1017280), (20519, 1013760), (20808, 999680), (21120, 984912), (21726, 957440), (21760, 955944), (22440, 926976), (22528, 923355), (22720, 915552), (23040, 902836), (23120, 899712), (23430, 887808), (23936, 869040), (24140, 861696), (24480, 849728), (24992, 832320), (25344, 820760), (25432, 817920), (25560, 813824), (26010, 799744), (26112, 796620), (26554, 783360), (26928, 772480), (27264, 762960), (27744, 749760), (28116, 739840), (28160, 738684), (28611, 727040), (28968, 718080), (29920, 695232), (30720, 677127), (31240, 665856), (31680, 656608), (31790, 654336), (32640, 637296), (33660, 617984), (33792, 615570), (34080, 610368), (34680, 599808), (34816, 597465), (35145, 591872), (35904, 579360), (36210, 574464), (36352, 572220), (36992, 562320), (37488, 554880), (38148, 545280), (38624, 538560), (39168, 531080), (39831, 522240), (40896, 508640), (41038, 506880), (41616, 499840), (42240, 492456), (43452, 478720), (43520, 477972), (44880, 463488), (45440, 457776), (46080, 451418), (46240, 449856), (46860, 443904), (47685, 436224), (47872, 434520), (48280, 430848), (48960, 424864), (49984, 416160), (50688, 410380), (50864, 408960), (51120, 406912), (52020, 399872), (52224, 398310), (53108, 391680), (53856, 386240), (54315, 382976), (54528, 381480), (55488, 374880), (56232, 369920), (56320, 369342), (57222, 363520), (57936, 359040), (59840, 347616), (61557, 337920), (62480, 332928), (63360, 328304), (63580, 327168), (65280, 318648), (66385, 313344), (67320, 308992), (67584, 307785), (68160, 305184), (69360, 299904), (70290, 295936), (71808, 289680), (72420, 287232), (72704, 286110), (73984, 281160), (74976, 277440), (76296, 272640), (77248, 269280), (78336, 265540), (79662, 261120), (81792, 254320), (82076, 253440), (83232, 249920), (84480, 246228), (86904, 239360), (87040, 238986), (89760, 231744), (90880, 228888), (92160, 225709), (92480, 224928), (93720, 221952), (95370, 218112), (95744, 217260), (96560, 215424), (97920, 212432), (99968, 208080), (101376, 205190), (101728, 204480), (102240, 203456), (102595, 202752), (104040, 199936), (104448, 199155), (106216, 195840), (107712, 193120), (108630, 191488), (109056, 190740), (110976, 187440), (112464, 184960), (112640, 184671), (114444, 181760), (115872, 179520), (119493, 174080), (119680, 173808), (123114, 168960), (124960, 166464), (126720, 164152), (127160, 163584), (130560, 159324), (132770, 156672), (134640, 154496), (136320, 152592), (138720, 149952), (140580, 147968), (143055, 145408), (143616, 144840)]