20481154560

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2375

約数の個数: 400

約数和(自身を含む): 75095680176

約数和(自身を除く): 54614525616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 81, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 162, 172, 180, 192, 215, 216, 240, 256, 258, 270, 288, 320, 324, 344, 360, 384, 387, 405, 430, 432, 480, 512, 516, 540, 576, 640, 645, 648, 688, 720, 768, 774, 810, 860, 864, 960, 1032, 1080, 1152, 1161, 1280, 1290, 1296, 1376, 1440, 1536, 1548, 1620, 1720, 1728, 1920, 1935, 2064, 2160, 2297, 2304, 2322, 2560, 2580, 2592, 2752, 2880, 3096, 3240, 3440, 3456, 3483, 3840, 3870, 4128, 4320, 4594, 4608, 4644, 5160, 5184, 5504, 5760, 5805, 6192, 6480, 6880, 6891, 6912, 6966, 7680, 7740, 8256, 8640, 9188, 9288, 10320, 10368, 11008, 11485, 11520, 11610, 12384, 12960, 13760, 13782, 13824, 13932, 15480, 16512, 17280, 17415, 18376, 18576, 20640, 20673, 20736, 22016, 22970, 23040, 23220, 24768, 25920, 27520, 27564, 27864, 30960, 33024, 34455, 34560, 34830, 36752, 37152, 41280, 41346, 41472, 45940, 46440, 49536, 51840, 55040, 55128, 55728, 61920, 62019, 66048, 68910, 69120, 69660, 73504, 74304, 82560, 82692, 91880, 92880, 98771, 99072, 103365, 103680, 110080, 110256, 111456, 123840, 124038, 137820, 139320, 147008, 148608, 165120, 165384, 183760, 185760, 186057, 197542, 198144, 206730, 207360, 220512, 222912, 247680, 248076, 275640, 278640, 294016, 296313, 297216, 310095, 330240, 330768, 367520, 371520, 372114, 395084, 413460, 441024, 445824, 493855, 495360, 496152, 551280, 557280, 588032, 592626, 594432, 620190, 661536, 735040, 743040, 744228, 790168, 826920, 882048, 888939, 891648, 930285, 987710, 990720, 992304, 1102560, 1114560, 1176064, 1185252, 1240380, 1323072, 1470080, 1481565, 1486080, 1488456, 1580336, 1653840, 1764096, 1777878, 1783296, 1860570, 1975420, 1984608, 2205120, 2229120, 2370504, 2480760, 2646144, 2666817, 2940160, 2963130, 2972160, 2976912, 3160672, 3307680, 3528192, 3555756, 3721140, 3950840, 3969216, 4410240, 4444695, 4458240, 4741008, 4961520, 5292288, 5333634, 5880320, 5926260, 5953824, 6321344, 6615360, 7111512, 7442280, 7901680, 7938432, 8000451, 8820480, 8889390, 8916480, 9482016, 9923040, 10584576, 10667268, 11852520, 11907648, 12642688, 13230720, 13334085, 14223024, 14884560, 15803360, 15876864, 16000902, 17640960, 17778780, 18964032, 19846080, 21334536, 23705040, 23815296, 25285376, 26461440, 26668170, 28446048, 29769120, 31606720, 31753728, 32001804, 35557560, 37928064, 39692160, 40002255, 42669072, 47410080, 47630592, 50570752, 52922880, 53336340, 56892096, 59538240, 63213440, 64003608, 71115120, 75856128, 79384320, 80004510, 85338144, 94820160, 95261184, 106672680, 113784192, 119076480, 126426880, 128007216, 142230240, 151712256, 158768640, 160009020, 170676288, 189640320, 213345360, 227568384, 238152960, 252853760, 256014432, 284460480, 320018040, 341352576, 379280640, 426690720, 455136768, 476305920, 512028864, 568920960, 640036080, 682705152, 758561280, 853381440, 1024057728, 1137841920, 1280072160, 1365410304, 1706762880, 2048115456, 2275683840, 2560144320, 3413525760, 4096230912, 5120288640, 6827051520, 10240577280, 20481154560]

約数ペア:

[(1, 20481154560), (2, 10240577280), (3, 6827051520), (4, 5120288640), (5, 4096230912), (6, 3413525760), (8, 2560144320), (9, 2275683840), (10, 2048115456), (12, 1706762880), (15, 1365410304), (16, 1280072160), (18, 1137841920), (20, 1024057728), (24, 853381440), (27, 758561280), (30, 682705152), (32, 640036080), (36, 568920960), (40, 512028864), (43, 476305920), (45, 455136768), (48, 426690720), (54, 379280640), (60, 341352576), (64, 320018040), (72, 284460480), (80, 256014432), (81, 252853760), (86, 238152960), (90, 227568384), (96, 213345360), (108, 189640320), (120, 170676288), (128, 160009020), (129, 158768640), (135, 151712256), (144, 142230240), (160, 128007216), (162, 126426880), (172, 119076480), (180, 113784192), (192, 106672680), (215, 95261184), (216, 94820160), (240, 85338144), (256, 80004510), (258, 79384320), (270, 75856128), (288, 71115120), (320, 64003608), (324, 63213440), (344, 59538240), (360, 56892096), (384, 53336340), (387, 52922880), (405, 50570752), (430, 47630592), (432, 47410080), (480, 42669072), (512, 40002255), (516, 39692160), (540, 37928064), (576, 35557560), (640, 32001804), (645, 31753728), (648, 31606720), (688, 29769120), (720, 28446048), (768, 26668170), (774, 26461440), (810, 25285376), (860, 23815296), (864, 23705040), (960, 21334536), (1032, 19846080), (1080, 18964032), (1152, 17778780), (1161, 17640960), (1280, 16000902), (1290, 15876864), (1296, 15803360), (1376, 14884560), (1440, 14223024), (1536, 13334085), (1548, 13230720), (1620, 12642688), (1720, 11907648), (1728, 11852520), (1920, 10667268), (1935, 10584576), (2064, 9923040), (2160, 9482016), (2297, 8916480), (2304, 8889390), (2322, 8820480), (2560, 8000451), (2580, 7938432), (2592, 7901680), (2752, 7442280), (2880, 7111512), (3096, 6615360), (3240, 6321344), (3440, 5953824), (3456, 5926260), (3483, 5880320), (3840, 5333634), (3870, 5292288), (4128, 4961520), (4320, 4741008), (4594, 4458240), (4608, 4444695), (4644, 4410240), (5160, 3969216), (5184, 3950840), (5504, 3721140), (5760, 3555756), (5805, 3528192), (6192, 3307680), (6480, 3160672), (6880, 2976912), (6891, 2972160), (6912, 2963130), (6966, 2940160), (7680, 2666817), (7740, 2646144), (8256, 2480760), (8640, 2370504), (9188, 2229120), (9288, 2205120), (10320, 1984608), (10368, 1975420), (11008, 1860570), (11485, 1783296), (11520, 1777878), (11610, 1764096), (12384, 1653840), (12960, 1580336), (13760, 1488456), (13782, 1486080), (13824, 1481565), (13932, 1470080), (15480, 1323072), (16512, 1240380), (17280, 1185252), (17415, 1176064), (18376, 1114560), (18576, 1102560), (20640, 992304), (20673, 990720), (20736, 987710), (22016, 930285), (22970, 891648), (23040, 888939), (23220, 882048), (24768, 826920), (25920, 790168), (27520, 744228), (27564, 743040), (27864, 735040), (30960, 661536), (33024, 620190), (34455, 594432), (34560, 592626), (34830, 588032), (36752, 557280), (37152, 551280), (41280, 496152), (41346, 495360), (41472, 493855), (45940, 445824), (46440, 441024), (49536, 413460), (51840, 395084), (55040, 372114), (55128, 371520), (55728, 367520), (61920, 330768), (62019, 330240), (66048, 310095), (68910, 297216), (69120, 296313), (69660, 294016), (73504, 278640), (74304, 275640), (82560, 248076), (82692, 247680), (91880, 222912), (92880, 220512), (98771, 207360), (99072, 206730), (103365, 198144), (103680, 197542), (110080, 186057), (110256, 185760), (111456, 183760), (123840, 165384), (124038, 165120), (137820, 148608), (139320, 147008)]