21580369920

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{13009}}^1$

素因数の和:13050

約数の個数: 260

約数和(自身を含む): 77366124660

約数和(自身を除く): 55785754740

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, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4096, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 8640, 9216, 10240, 10368, 11520, 12288, 12960, 13009, 13824, 15360, 17280, 18432, 20480, 20736, 23040, 25920, 26018, 27648, 30720, 34560, 36864, 39027, 41472, 46080, 51840, 52036, 55296, 61440, 65045, 69120, 78054, 82944, 92160, 103680, 104072, 110592, 117081, 130090, 138240, 156108, 165888, 184320, 195135, 207360, 208144, 234162, 260180, 276480, 312216, 331776, 351243, 390270, 414720, 416288, 468324, 520360, 552960, 585405, 624432, 702486, 780540, 829440, 832576, 936648, 1040720, 1053729, 1170810, 1248864, 1404972, 1561080, 1658880, 1665152, 1756215, 1873296, 2081440, 2107458, 2341620, 2497728, 2809944, 3122160, 3330304, 3512430, 3746592, 4162880, 4214916, 4683240, 4995456, 5268645, 5619888, 6244320, 6660608, 7024860, 7493184, 8325760, 8429832, 9366480, 9990912, 10537290, 11239776, 12488640, 13321216, 14049720, 14986368, 16651520, 16859664, 18732960, 19981824, 21074580, 22479552, 24977280, 26642432, 28099440, 29972736, 33303040, 33719328, 37465920, 39963648, 42149160, 44959104, 49954560, 53284864, 56198880, 59945472, 66606080, 67438656, 74931840, 79927296, 84298320, 89918208, 99909120, 112397760, 119890944, 133212160, 134877312, 149863680, 159854592, 168596640, 179836416, 199818240, 224795520, 239781888, 266424320, 269754624, 299727360, 337193280, 359672832, 399636480, 449591040, 479563776, 539509248, 599454720, 674386560, 719345664, 799272960, 899182080, 1079018496, 1198909440, 1348773120, 1438691328, 1798364160, 2158036992, 2397818880, 2697546240, 3596728320, 4316073984, 5395092480, 7193456640, 10790184960, 21580369920]

約数ペア:

[(1, 21580369920), (2, 10790184960), (3, 7193456640), (4, 5395092480), (5, 4316073984), (6, 3596728320), (8, 2697546240), (9, 2397818880), (10, 2158036992), (12, 1798364160), (15, 1438691328), (16, 1348773120), (18, 1198909440), (20, 1079018496), (24, 899182080), (27, 799272960), (30, 719345664), (32, 674386560), (36, 599454720), (40, 539509248), (45, 479563776), (48, 449591040), (54, 399636480), (60, 359672832), (64, 337193280), (72, 299727360), (80, 269754624), (81, 266424320), (90, 239781888), (96, 224795520), (108, 199818240), (120, 179836416), (128, 168596640), (135, 159854592), (144, 149863680), (160, 134877312), (162, 133212160), (180, 119890944), (192, 112397760), (216, 99909120), (240, 89918208), (256, 84298320), (270, 79927296), (288, 74931840), (320, 67438656), (324, 66606080), (360, 59945472), (384, 56198880), (405, 53284864), (432, 49954560), (480, 44959104), (512, 42149160), (540, 39963648), (576, 37465920), (640, 33719328), (648, 33303040), (720, 29972736), (768, 28099440), (810, 26642432), (864, 24977280), (960, 22479552), (1024, 21074580), (1080, 19981824), (1152, 18732960), (1280, 16859664), (1296, 16651520), (1440, 14986368), (1536, 14049720), (1620, 13321216), (1728, 12488640), (1920, 11239776), (2048, 10537290), (2160, 9990912), (2304, 9366480), (2560, 8429832), (2592, 8325760), (2880, 7493184), (3072, 7024860), (3240, 6660608), (3456, 6244320), (3840, 5619888), (4096, 5268645), (4320, 4995456), (4608, 4683240), (5120, 4214916), (5184, 4162880), (5760, 3746592), (6144, 3512430), (6480, 3330304), (6912, 3122160), (7680, 2809944), (8640, 2497728), (9216, 2341620), (10240, 2107458), (10368, 2081440), (11520, 1873296), (12288, 1756215), (12960, 1665152), (13009, 1658880), (13824, 1561080), (15360, 1404972), (17280, 1248864), (18432, 1170810), (20480, 1053729), (20736, 1040720), (23040, 936648), (25920, 832576), (26018, 829440), (27648, 780540), (30720, 702486), (34560, 624432), (36864, 585405), (39027, 552960), (41472, 520360), (46080, 468324), (51840, 416288), (52036, 414720), (55296, 390270), (61440, 351243), (65045, 331776), (69120, 312216), (78054, 276480), (82944, 260180), (92160, 234162), (103680, 208144), (104072, 207360), (110592, 195135), (117081, 184320), (130090, 165888), (138240, 156108)]