21053286720

素因数分解:

$2^6\times 3^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 448

約数和(自身を含む): 76480416000

約数和(自身を除く): 55427129280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 67, 72, 80, 81, 90, 96, 108, 120, 134, 135, 144, 160, 162, 180, 192, 201, 216, 240, 243, 268, 270, 288, 320, 324, 335, 360, 402, 405, 432, 449, 480, 486, 536, 540, 576, 603, 648, 670, 720, 729, 804, 810, 864, 898, 960, 972, 1005, 1072, 1080, 1206, 1215, 1296, 1340, 1347, 1440, 1458, 1608, 1620, 1728, 1796, 1809, 1944, 2010, 2144, 2160, 2187, 2245, 2412, 2430, 2592, 2680, 2694, 2880, 2916, 3015, 3216, 3240, 3592, 3618, 3645, 3888, 4020, 4041, 4288, 4320, 4374, 4490, 4824, 4860, 5184, 5360, 5388, 5427, 5832, 6030, 6432, 6480, 6735, 7184, 7236, 7290, 7776, 8040, 8082, 8640, 8748, 8980, 9045, 9648, 9720, 10720, 10776, 10854, 10935, 11664, 12060, 12123, 12864, 12960, 13470, 14368, 14472, 14580, 15552, 16080, 16164, 16281, 17496, 17960, 18090, 19296, 19440, 20205, 21440, 21552, 21708, 21870, 23328, 24120, 24246, 25920, 26940, 27135, 28736, 28944, 29160, 30083, 32160, 32328, 32562, 34992, 35920, 36180, 36369, 38592, 38880, 40410, 43104, 43416, 43740, 46656, 48240, 48492, 48843, 53880, 54270, 57888, 58320, 60166, 60615, 64320, 64656, 65124, 69984, 71840, 72360, 72738, 77760, 80820, 81405, 86208, 86832, 87480, 90249, 96480, 96984, 97686, 107760, 108540, 109107, 115776, 116640, 120332, 121230, 129312, 130248, 139968, 143680, 144720, 145476, 146529, 150415, 161640, 162810, 173664, 174960, 180498, 181845, 192960, 193968, 195372, 215520, 217080, 218214, 233280, 240664, 242460, 244215, 258624, 260496, 270747, 289440, 290952, 293058, 300830, 323280, 325620, 327321, 347328, 349920, 360996, 363690, 387936, 390744, 431040, 434160, 436428, 451245, 481328, 484920, 488430, 520992, 541494, 545535, 578880, 581904, 586116, 601660, 646560, 651240, 654642, 699840, 721992, 727380, 732645, 775872, 781488, 812241, 868320, 872856, 902490, 962656, 969840, 976860, 981963, 1041984, 1082988, 1091070, 1163808, 1172232, 1203320, 1293120, 1302480, 1309284, 1353735, 1443984, 1454760, 1465290, 1562976, 1624482, 1636605, 1736640, 1745712, 1804980, 1925312, 1939680, 1953720, 1963926, 2165976, 2182140, 2327616, 2344464, 2406640, 2436723, 2604960, 2618568, 2707470, 2887968, 2909520, 2930580, 3125952, 3248964, 3273210, 3491424, 3609960, 3879360, 3907440, 3927852, 4061205, 4331952, 4364280, 4688928, 4813280, 4873446, 4909815, 5209920, 5237136, 5414940, 5775936, 5819040, 5861160, 6497928, 6546420, 6982848, 7219920, 7310169, 7814880, 7855704, 8122410, 8663904, 8728560, 9377856, 9626560, 9746892, 9819630, 10474272, 10829880, 11638080, 11722320, 12183615, 12995856, 13092840, 14439840, 14620338, 15629760, 15711408, 16244820, 17327808, 17457120, 19493784, 19639260, 20948544, 21659760, 21930507, 23444640, 24367230, 25991712, 26185680, 28879680, 29240676, 31422816, 32489640, 34914240, 36550845, 38987568, 39278520, 43319520, 43861014, 46889280, 48734460, 51983424, 52371360, 58481352, 62845632, 64979280, 65791521, 73101690, 77975136, 78557040, 86639040, 87722028, 97468920, 104742720, 109652535, 116962704, 129958560, 131583042, 146203380, 155950272, 157114080, 175444056, 194937840, 219305070, 233925408, 259917120, 263166084, 292406760, 314228160, 328957605, 350888112, 389875680, 438610140, 467850816, 526332168, 584813520, 657915210, 701776224, 779751360, 877220280, 1052664336, 1169627040, 1315830420, 1403552448, 1754440560, 2105328672, 2339254080, 2631660840, 3508881120, 4210657344, 5263321680, 7017762240, 10526643360, 21053286720]

約数ペア:

[(1, 21053286720), (2, 10526643360), (3, 7017762240), (4, 5263321680), (5, 4210657344), (6, 3508881120), (8, 2631660840), (9, 2339254080), (10, 2105328672), (12, 1754440560), (15, 1403552448), (16, 1315830420), (18, 1169627040), (20, 1052664336), (24, 877220280), (27, 779751360), (30, 701776224), (32, 657915210), (36, 584813520), (40, 526332168), (45, 467850816), (48, 438610140), (54, 389875680), (60, 350888112), (64, 328957605), (67, 314228160), (72, 292406760), (80, 263166084), (81, 259917120), (90, 233925408), (96, 219305070), (108, 194937840), (120, 175444056), (134, 157114080), (135, 155950272), (144, 146203380), (160, 131583042), (162, 129958560), (180, 116962704), (192, 109652535), (201, 104742720), (216, 97468920), (240, 87722028), (243, 86639040), (268, 78557040), (270, 77975136), (288, 73101690), (320, 65791521), (324, 64979280), (335, 62845632), (360, 58481352), (402, 52371360), (405, 51983424), (432, 48734460), (449, 46889280), (480, 43861014), (486, 43319520), (536, 39278520), (540, 38987568), (576, 36550845), (603, 34914240), (648, 32489640), (670, 31422816), (720, 29240676), (729, 28879680), (804, 26185680), (810, 25991712), (864, 24367230), (898, 23444640), (960, 21930507), (972, 21659760), (1005, 20948544), (1072, 19639260), (1080, 19493784), (1206, 17457120), (1215, 17327808), (1296, 16244820), (1340, 15711408), (1347, 15629760), (1440, 14620338), (1458, 14439840), (1608, 13092840), (1620, 12995856), (1728, 12183615), (1796, 11722320), (1809, 11638080), (1944, 10829880), (2010, 10474272), (2144, 9819630), (2160, 9746892), (2187, 9626560), (2245, 9377856), (2412, 8728560), (2430, 8663904), (2592, 8122410), (2680, 7855704), (2694, 7814880), (2880, 7310169), (2916, 7219920), (3015, 6982848), (3216, 6546420), (3240, 6497928), (3592, 5861160), (3618, 5819040), (3645, 5775936), (3888, 5414940), (4020, 5237136), (4041, 5209920), (4288, 4909815), (4320, 4873446), (4374, 4813280), (4490, 4688928), (4824, 4364280), (4860, 4331952), (5184, 4061205), (5360, 3927852), (5388, 3907440), (5427, 3879360), (5832, 3609960), (6030, 3491424), (6432, 3273210), (6480, 3248964), (6735, 3125952), (7184, 2930580), (7236, 2909520), (7290, 2887968), (7776, 2707470), (8040, 2618568), (8082, 2604960), (8640, 2436723), (8748, 2406640), (8980, 2344464), (9045, 2327616), (9648, 2182140), (9720, 2165976), (10720, 1963926), (10776, 1953720), (10854, 1939680), (10935, 1925312), (11664, 1804980), (12060, 1745712), (12123, 1736640), (12864, 1636605), (12960, 1624482), (13470, 1562976), (14368, 1465290), (14472, 1454760), (14580, 1443984), (15552, 1353735), (16080, 1309284), (16164, 1302480), (16281, 1293120), (17496, 1203320), (17960, 1172232), (18090, 1163808), (19296, 1091070), (19440, 1082988), (20205, 1041984), (21440, 981963), (21552, 976860), (21708, 969840), (21870, 962656), (23328, 902490), (24120, 872856), (24246, 868320), (25920, 812241), (26940, 781488), (27135, 775872), (28736, 732645), (28944, 727380), (29160, 721992), (30083, 699840), (32160, 654642), (32328, 651240), (32562, 646560), (34992, 601660), (35920, 586116), (36180, 581904), (36369, 578880), (38592, 545535), (38880, 541494), (40410, 520992), (43104, 488430), (43416, 484920), (43740, 481328), (46656, 451245), (48240, 436428), (48492, 434160), (48843, 431040), (53880, 390744), (54270, 387936), (57888, 363690), (58320, 360996), (60166, 349920), (60615, 347328), (64320, 327321), (64656, 325620), (65124, 323280), (69984, 300830), (71840, 293058), (72360, 290952), (72738, 289440), (77760, 270747), (80820, 260496), (81405, 258624), (86208, 244215), (86832, 242460), (87480, 240664), (90249, 233280), (96480, 218214), (96984, 217080), (97686, 215520), (107760, 195372), (108540, 193968), (109107, 192960), (115776, 181845), (116640, 180498), (120332, 174960), (121230, 173664), (129312, 162810), (130248, 161640), (139968, 150415), (143680, 146529), (144720, 145476)]