20881244160

素因数分解:

$2^{15}\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^2$

素因数の和:89

約数の個数: 864

約数和(自身を含む): 89450163270

約数和(自身を除く): 68568919110

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 49, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 98, 102, 105, 112, 119, 120, 126, 128, 136, 140, 144, 147, 153, 160, 168, 170, 180, 192, 196, 204, 210, 224, 238, 240, 245, 252, 255, 256, 272, 280, 288, 289, 294, 306, 315, 320, 336, 340, 357, 360, 384, 392, 408, 420, 441, 448, 476, 480, 490, 504, 510, 512, 544, 560, 576, 578, 588, 595, 612, 630, 640, 672, 680, 714, 720, 735, 765, 768, 784, 816, 833, 840, 867, 882, 896, 952, 960, 980, 1008, 1020, 1024, 1071, 1088, 1120, 1152, 1156, 1176, 1190, 1224, 1260, 1280, 1344, 1360, 1428, 1440, 1445, 1470, 1530, 1536, 1568, 1632, 1666, 1680, 1734, 1764, 1785, 1792, 1904, 1920, 1960, 2016, 2023, 2040, 2048, 2142, 2176, 2205, 2240, 2304, 2312, 2352, 2380, 2448, 2499, 2520, 2560, 2601, 2688, 2720, 2856, 2880, 2890, 2940, 3060, 3072, 3136, 3264, 3332, 3360, 3468, 3528, 3570, 3584, 3808, 3840, 3920, 4032, 4046, 4080, 4096, 4165, 4284, 4335, 4352, 4410, 4480, 4608, 4624, 4704, 4760, 4896, 4998, 5040, 5120, 5202, 5355, 5376, 5440, 5712, 5760, 5780, 5880, 6069, 6120, 6144, 6272, 6528, 6664, 6720, 6936, 7056, 7140, 7168, 7497, 7616, 7680, 7840, 8064, 8092, 8160, 8192, 8330, 8568, 8670, 8704, 8820, 8960, 9216, 9248, 9408, 9520, 9792, 9996, 10080, 10115, 10240, 10404, 10710, 10752, 10880, 11424, 11520, 11560, 11760, 12138, 12240, 12288, 12495, 12544, 13005, 13056, 13328, 13440, 13872, 14112, 14161, 14280, 14336, 14994, 15232, 15360, 15680, 16128, 16184, 16320, 16384, 16660, 17136, 17340, 17408, 17640, 17920, 18207, 18432, 18496, 18816, 19040, 19584, 19992, 20160, 20230, 20480, 20808, 21420, 21504, 21760, 22848, 23040, 23120, 23520, 24276, 24480, 24576, 24990, 25088, 26010, 26112, 26656, 26880, 27744, 28224, 28322, 28560, 28672, 29988, 30345, 30464, 30720, 31360, 32256, 32368, 32640, 32768, 33320, 34272, 34680, 34816, 35280, 35840, 36414, 36864, 36992, 37485, 37632, 38080, 39168, 39984, 40320, 40460, 40960, 41616, 42483, 42840, 43008, 43520, 45696, 46080, 46240, 47040, 48552, 48960, 49152, 49980, 50176, 52020, 52224, 53312, 53760, 55488, 56448, 56644, 57120, 57344, 59976, 60690, 60928, 61440, 62720, 64512, 64736, 65280, 66640, 68544, 69360, 69632, 70560, 70805, 71680, 72828, 73728, 73984, 74970, 75264, 76160, 78336, 79968, 80640, 80920, 81920, 83232, 84966, 85680, 86016, 87040, 91035, 91392, 92160, 92480, 94080, 97104, 97920, 98304, 99960, 100352, 104040, 104448, 106624, 107520, 110976, 112896, 113288, 114240, 114688, 119952, 121380, 121856, 122880, 125440, 127449, 129024, 129472, 130560, 133280, 137088, 138720, 139264, 141120, 141610, 143360, 145656, 147456, 147968, 149940, 150528, 152320, 156672, 159936, 161280, 161840, 163840, 166464, 169932, 171360, 172032, 174080, 182070, 182784, 184320, 184960, 188160, 194208, 195840, 199920, 200704, 208080, 208896, 212415, 213248, 215040, 221952, 225792, 226576, 228480, 229376, 239904, 242760, 243712, 245760, 250880, 254898, 258048, 258944, 261120, 266560, 274176, 277440, 278528, 282240, 283220, 286720, 291312, 294912, 295936, 299880, 301056, 304640, 313344, 319872, 322560, 323680, 332928, 339864, 342720, 344064, 348160, 364140, 365568, 368640, 369920, 376320, 388416, 391680, 399840, 401408, 416160, 417792, 424830, 426496, 430080, 443904, 451584, 453152, 456960, 479808, 485520, 487424, 491520, 501760, 509796, 516096, 517888, 522240, 533120, 548352, 554880, 557056, 564480, 566440, 573440, 582624, 591872, 599760, 602112, 609280, 626688, 637245, 639744, 645120, 647360, 665856, 679728, 685440, 688128, 696320, 728280, 731136, 737280, 739840, 752640, 776832, 783360, 799680, 802816, 832320, 835584, 849660, 852992, 860160, 887808, 903168, 906304, 913920, 959616, 971040, 974848, 1003520, 1019592, 1032192, 1035776, 1044480, 1066240, 1096704, 1109760, 1128960, 1132880, 1146880, 1165248, 1183744, 1199520, 1204224, 1218560, 1253376, 1274490, 1279488, 1290240, 1294720, 1331712, 1359456, 1370880, 1392640, 1456560, 1462272, 1474560, 1479680, 1505280, 1553664, 1566720, 1599360, 1605632, 1664640, 1671168, 1699320, 1705984, 1720320, 1775616, 1806336, 1812608, 1827840, 1919232, 1942080, 1949696, 2007040, 2039184, 2064384, 2071552, 2088960, 2132480, 2193408, 2219520, 2257920, 2265760, 2330496, 2367488, 2399040, 2408448, 2437120, 2506752, 2548980, 2558976, 2580480, 2589440, 2663424, 2718912, 2741760, 2785280, 2913120, 2924544, 2959360, 3010560, 3107328, 3133440, 3198720, 3329280, 3398640, 3411968, 3440640, 3551232, 3612672, 3625216, 3655680, 3838464, 3884160, 3899392, 4014080, 4078368, 4143104, 4177920, 4264960, 4386816, 4439040, 4515840, 4531520, 4660992, 4734976, 4798080, 4816896, 4874240, 5013504, 5097960, 5117952, 5160960, 5178880, 5326848, 5437824, 5483520, 5826240, 5849088, 5918720, 6021120, 6214656, 6266880, 6397440, 6658560, 6797280, 6823936, 7102464, 7225344, 7250432, 7311360, 7676928, 7768320, 8028160, 8156736, 8286208, 8355840, 8529920, 8773632, 8878080, 9031680, 9063040, 9321984, 9469952, 9596160, 9748480, 10195920, 10235904, 10321920, 10357760, 10653696, 10875648, 10967040, 11652480, 11698176, 11837440, 12042240, 12429312, 12533760, 12794880, 13317120, 13594560, 13647872, 14204928, 14450688, 14500864, 14622720, 15353856, 15536640, 16313472, 16572416, 17059840, 17547264, 17756160, 18063360, 18126080, 18643968, 19192320, 19496960, 20391840, 20471808, 20715520, 21307392, 21751296, 21934080, 23304960, 23674880, 24084480, 24858624, 25067520, 25589760, 26634240, 27189120, 27295744, 28409856, 29001728, 29245440, 30707712, 31073280, 32626944, 33144832, 34119680, 35094528, 35512320, 36126720, 36252160, 37287936, 38384640, 40783680, 40943616, 41431040, 42614784, 43502592, 43868160, 46609920, 47349760, 49717248, 51179520, 53268480, 54378240, 58003456, 58490880, 61415424, 62146560, 65253888, 66289664, 68239360, 71024640, 72253440, 72504320, 74575872, 76769280, 81567360, 81887232, 82862080, 85229568, 87005184, 87736320, 93219840, 99434496, 102359040, 106536960, 108756480, 116006912, 122830848, 124293120, 130507776, 136478720, 142049280, 145008640, 149151744, 153538560, 163134720, 165724160, 174010368, 175472640, 186439680, 198868992, 204718080, 213073920, 217512960, 232013824, 245661696, 248586240, 261015552, 290017280, 298303488, 307077120, 326269440, 331448320, 348020736, 372879360, 409436160, 426147840, 435025920, 464027648, 497172480, 522031104, 580034560, 596606976, 614154240, 652538880, 696041472, 745758720, 870051840, 994344960, 1044062208, 1160069120, 1228308480, 1305077760, 1392082944, 1491517440, 1740103680, 2088124416, 2320138240, 2610155520, 2983034880, 3480207360, 4176248832, 5220311040, 6960414720, 10440622080, 20881244160]

約数ペア:

[(1, 20881244160), (2, 10440622080), (3, 6960414720), (4, 5220311040), (5, 4176248832), (6, 3480207360), (7, 2983034880), (8, 2610155520), (9, 2320138240), (10, 2088124416), (12, 1740103680), (14, 1491517440), (15, 1392082944), (16, 1305077760), (17, 1228308480), (18, 1160069120), (20, 1044062208), (21, 994344960), (24, 870051840), (28, 745758720), (30, 696041472), (32, 652538880), (34, 614154240), (35, 596606976), (36, 580034560), (40, 522031104), (42, 497172480), (45, 464027648), (48, 435025920), (49, 426147840), (51, 409436160), (56, 372879360), (60, 348020736), (63, 331448320), (64, 326269440), (68, 307077120), (70, 298303488), (72, 290017280), (80, 261015552), (84, 248586240), (85, 245661696), (90, 232013824), (96, 217512960), (98, 213073920), (102, 204718080), (105, 198868992), (112, 186439680), (119, 175472640), (120, 174010368), (126, 165724160), (128, 163134720), (136, 153538560), (140, 149151744), (144, 145008640), (147, 142049280), (153, 136478720), (160, 130507776), (168, 124293120), (170, 122830848), (180, 116006912), (192, 108756480), (196, 106536960), (204, 102359040), (210, 99434496), (224, 93219840), (238, 87736320), (240, 87005184), (245, 85229568), (252, 82862080), (255, 81887232), (256, 81567360), (272, 76769280), (280, 74575872), (288, 72504320), (289, 72253440), (294, 71024640), (306, 68239360), (315, 66289664), (320, 65253888), (336, 62146560), (340, 61415424), (357, 58490880), (360, 58003456), (384, 54378240), (392, 53268480), (408, 51179520), (420, 49717248), (441, 47349760), (448, 46609920), (476, 43868160), (480, 43502592), (490, 42614784), (504, 41431040), (510, 40943616), (512, 40783680), (544, 38384640), (560, 37287936), (576, 36252160), (578, 36126720), (588, 35512320), (595, 35094528), (612, 34119680), (630, 33144832), (640, 32626944), (672, 31073280), (680, 30707712), (714, 29245440), (720, 29001728), (735, 28409856), (765, 27295744), (768, 27189120), (784, 26634240), (816, 25589760), (833, 25067520), (840, 24858624), (867, 24084480), (882, 23674880), (896, 23304960), (952, 21934080), (960, 21751296), (980, 21307392), (1008, 20715520), (1020, 20471808), (1024, 20391840), (1071, 19496960), (1088, 19192320), (1120, 18643968), (1152, 18126080), (1156, 18063360), (1176, 17756160), (1190, 17547264), (1224, 17059840), (1260, 16572416), (1280, 16313472), (1344, 15536640), (1360, 15353856), (1428, 14622720), (1440, 14500864), (1445, 14450688), (1470, 14204928), (1530, 13647872), (1536, 13594560), (1568, 13317120), (1632, 12794880), (1666, 12533760), (1680, 12429312), (1734, 12042240), (1764, 11837440), (1785, 11698176), (1792, 11652480), (1904, 10967040), (1920, 10875648), (1960, 10653696), (2016, 10357760), (2023, 10321920), (2040, 10235904), (2048, 10195920), (2142, 9748480), (2176, 9596160), (2205, 9469952), (2240, 9321984), (2304, 9063040), (2312, 9031680), (2352, 8878080), (2380, 8773632), (2448, 8529920), (2499, 8355840), (2520, 8286208), (2560, 8156736), (2601, 8028160), (2688, 7768320), (2720, 7676928), (2856, 7311360), (2880, 7250432), (2890, 7225344), (2940, 7102464), (3060, 6823936), (3072, 6797280), (3136, 6658560), (3264, 6397440), (3332, 6266880), (3360, 6214656), (3468, 6021120), (3528, 5918720), (3570, 5849088), (3584, 5826240), (3808, 5483520), (3840, 5437824), (3920, 5326848), (4032, 5178880), (4046, 5160960), (4080, 5117952), (4096, 5097960), (4165, 5013504), (4284, 4874240), (4335, 4816896), (4352, 4798080), (4410, 4734976), (4480, 4660992), (4608, 4531520), (4624, 4515840), (4704, 4439040), (4760, 4386816), (4896, 4264960), (4998, 4177920), (5040, 4143104), (5120, 4078368), (5202, 4014080), (5355, 3899392), (5376, 3884160), (5440, 3838464), (5712, 3655680), (5760, 3625216), (5780, 3612672), (5880, 3551232), (6069, 3440640), (6120, 3411968), (6144, 3398640), (6272, 3329280), (6528, 3198720), (6664, 3133440), (6720, 3107328), (6936, 3010560), (7056, 2959360), (7140, 2924544), (7168, 2913120), (7497, 2785280), (7616, 2741760), (7680, 2718912), (7840, 2663424), (8064, 2589440), (8092, 2580480), (8160, 2558976), (8192, 2548980), (8330, 2506752), (8568, 2437120), (8670, 2408448), (8704, 2399040), (8820, 2367488), (8960, 2330496), (9216, 2265760), (9248, 2257920), (9408, 2219520), (9520, 2193408), (9792, 2132480), (9996, 2088960), (10080, 2071552), (10115, 2064384), (10240, 2039184), (10404, 2007040), (10710, 1949696), (10752, 1942080), (10880, 1919232), (11424, 1827840), (11520, 1812608), (11560, 1806336), (11760, 1775616), (12138, 1720320), (12240, 1705984), (12288, 1699320), (12495, 1671168), (12544, 1664640), (13005, 1605632), (13056, 1599360), (13328, 1566720), (13440, 1553664), (13872, 1505280), (14112, 1479680), (14161, 1474560), (14280, 1462272), (14336, 1456560), (14994, 1392640), (15232, 1370880), (15360, 1359456), (15680, 1331712), (16128, 1294720), (16184, 1290240), (16320, 1279488), (16384, 1274490), (16660, 1253376), (17136, 1218560), (17340, 1204224), (17408, 1199520), (17640, 1183744), (17920, 1165248), (18207, 1146880), (18432, 1132880), (18496, 1128960), (18816, 1109760), (19040, 1096704), (19584, 1066240), (19992, 1044480), (20160, 1035776), (20230, 1032192), (20480, 1019592), (20808, 1003520), (21420, 974848), (21504, 971040), (21760, 959616), (22848, 913920), (23040, 906304), (23120, 903168), (23520, 887808), (24276, 860160), (24480, 852992), (24576, 849660), (24990, 835584), (25088, 832320), (26010, 802816), (26112, 799680), (26656, 783360), (26880, 776832), (27744, 752640), (28224, 739840), (28322, 737280), (28560, 731136), (28672, 728280), (29988, 696320), (30345, 688128), (30464, 685440), (30720, 679728), (31360, 665856), (32256, 647360), (32368, 645120), (32640, 639744), (32768, 637245), (33320, 626688), (34272, 609280), (34680, 602112), (34816, 599760), (35280, 591872), (35840, 582624), (36414, 573440), (36864, 566440), (36992, 564480), (37485, 557056), (37632, 554880), (38080, 548352), (39168, 533120), (39984, 522240), (40320, 517888), (40460, 516096), (40960, 509796), (41616, 501760), (42483, 491520), (42840, 487424), (43008, 485520), (43520, 479808), (45696, 456960), (46080, 453152), (46240, 451584), (47040, 443904), (48552, 430080), (48960, 426496), (49152, 424830), (49980, 417792), (50176, 416160), (52020, 401408), (52224, 399840), (53312, 391680), (53760, 388416), (55488, 376320), (56448, 369920), (56644, 368640), (57120, 365568), (57344, 364140), (59976, 348160), (60690, 344064), (60928, 342720), (61440, 339864), (62720, 332928), (64512, 323680), (64736, 322560), (65280, 319872), (66640, 313344), (68544, 304640), (69360, 301056), (69632, 299880), (70560, 295936), (70805, 294912), (71680, 291312), (72828, 286720), (73728, 283220), (73984, 282240), (74970, 278528), (75264, 277440), (76160, 274176), (78336, 266560), (79968, 261120), (80640, 258944), (80920, 258048), (81920, 254898), (83232, 250880), (84966, 245760), (85680, 243712), (86016, 242760), (87040, 239904), (91035, 229376), (91392, 228480), (92160, 226576), (92480, 225792), (94080, 221952), (97104, 215040), (97920, 213248), (98304, 212415), (99960, 208896), (100352, 208080), (104040, 200704), (104448, 199920), (106624, 195840), (107520, 194208), (110976, 188160), (112896, 184960), (113288, 184320), (114240, 182784), (114688, 182070), (119952, 174080), (121380, 172032), (121856, 171360), (122880, 169932), (125440, 166464), (127449, 163840), (129024, 161840), (129472, 161280), (130560, 159936), (133280, 156672), (137088, 152320), (138720, 150528), (139264, 149940), (141120, 147968), (141610, 147456), (143360, 145656)]