20855105280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:828

約数の個数: 432

約数和(自身を含む): 76578378240

約数和(自身を除く): 55723272960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 151, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 302, 304, 320, 342, 360, 380, 384, 453, 456, 480, 570, 576, 604, 608, 631, 640, 684, 720, 755, 760, 768, 855, 906, 912, 960, 1140, 1152, 1208, 1216, 1262, 1280, 1359, 1368, 1440, 1510, 1520, 1710, 1812, 1824, 1893, 1920, 2265, 2280, 2304, 2416, 2432, 2524, 2718, 2736, 2869, 2880, 3020, 3040, 3155, 3420, 3624, 3648, 3786, 3840, 4530, 4560, 4832, 4864, 5048, 5436, 5472, 5679, 5738, 5760, 6040, 6080, 6310, 6795, 6840, 7248, 7296, 7572, 8607, 9060, 9120, 9465, 9664, 10096, 10872, 10944, 11358, 11476, 11520, 11989, 12080, 12160, 12620, 13590, 13680, 14345, 14496, 14592, 15144, 17214, 18120, 18240, 18930, 19328, 20192, 21744, 21888, 22716, 22952, 23978, 24160, 24320, 25240, 25821, 27180, 27360, 28395, 28690, 28992, 30288, 34428, 35967, 36240, 36480, 37860, 38656, 40384, 43035, 43488, 43776, 45432, 45904, 47956, 48320, 50480, 51642, 54360, 54720, 56790, 57380, 57984, 59945, 60576, 68856, 71934, 72480, 72960, 75720, 80768, 86070, 86976, 90864, 91808, 95281, 95912, 96640, 100960, 103284, 107901, 108720, 109440, 113580, 114760, 115968, 119890, 121152, 129105, 137712, 143868, 144960, 151440, 161536, 172140, 173952, 179835, 181728, 183616, 190562, 191824, 193280, 201920, 206568, 215802, 217440, 218880, 227160, 229520, 239780, 242304, 258210, 275424, 285843, 287736, 289920, 302880, 344280, 347904, 359670, 363456, 367232, 381124, 383648, 403840, 413136, 431604, 434880, 454320, 459040, 476405, 479560, 484608, 516420, 539505, 550848, 571686, 575472, 579840, 605760, 688560, 719340, 726912, 734464, 762248, 767296, 807680, 826272, 857529, 863208, 869760, 908640, 918080, 952810, 959120, 1032840, 1079010, 1101696, 1143372, 1150944, 1211520, 1377120, 1429215, 1438680, 1453824, 1524496, 1534592, 1652544, 1715058, 1726416, 1739520, 1810339, 1817280, 1836160, 1905620, 1918240, 2065680, 2158020, 2203392, 2286744, 2301888, 2423040, 2754240, 2858430, 2877360, 3048992, 3069184, 3305088, 3430116, 3452832, 3620678, 3634560, 3672320, 3811240, 3836480, 4131360, 4287645, 4316040, 4573488, 4603776, 5431017, 5508480, 5716860, 5754720, 6097984, 6610176, 6860232, 6905664, 7241356, 7269120, 7622480, 7672960, 8262720, 8575290, 8632080, 9051695, 9146976, 9207552, 10862034, 11016960, 11433720, 11509440, 12195968, 13720464, 13811328, 14482712, 15244960, 15345920, 16293051, 16525440, 17150580, 17264160, 18103390, 18293952, 21724068, 22867440, 23018880, 24391936, 27155085, 27440928, 27622656, 28965424, 30489920, 32586102, 33050880, 34301160, 34528320, 36206780, 36587904, 43448136, 45734880, 46037760, 54310170, 54881856, 57930848, 60979840, 65172204, 68602320, 69056640, 72413560, 73175808, 81465255, 86896272, 91469760, 108620340, 109763712, 115861696, 121959680, 130344408, 137204640, 138113280, 144827120, 162930510, 173792544, 182939520, 217240680, 219527424, 231723392, 260688816, 274409280, 289654240, 325861020, 347585088, 365879040, 434481360, 463446784, 521377632, 548818560, 579308480, 651722040, 695170176, 868962720, 1042755264, 1097637120, 1158616960, 1303444080, 1390340352, 1737925440, 2085510528, 2317233920, 2606888160, 3475850880, 4171021056, 5213776320, 6951701760, 10427552640, 20855105280]

約数ペア:

[(1, 20855105280), (2, 10427552640), (3, 6951701760), (4, 5213776320), (5, 4171021056), (6, 3475850880), (8, 2606888160), (9, 2317233920), (10, 2085510528), (12, 1737925440), (15, 1390340352), (16, 1303444080), (18, 1158616960), (19, 1097637120), (20, 1042755264), (24, 868962720), (30, 695170176), (32, 651722040), (36, 579308480), (38, 548818560), (40, 521377632), (45, 463446784), (48, 434481360), (57, 365879040), (60, 347585088), (64, 325861020), (72, 289654240), (76, 274409280), (80, 260688816), (90, 231723392), (95, 219527424), (96, 217240680), (114, 182939520), (120, 173792544), (128, 162930510), (144, 144827120), (151, 138113280), (152, 137204640), (160, 130344408), (171, 121959680), (180, 115861696), (190, 109763712), (192, 108620340), (228, 91469760), (240, 86896272), (256, 81465255), (285, 73175808), (288, 72413560), (302, 69056640), (304, 68602320), (320, 65172204), (342, 60979840), (360, 57930848), (380, 54881856), (384, 54310170), (453, 46037760), (456, 45734880), (480, 43448136), (570, 36587904), (576, 36206780), (604, 34528320), (608, 34301160), (631, 33050880), (640, 32586102), (684, 30489920), (720, 28965424), (755, 27622656), (760, 27440928), (768, 27155085), (855, 24391936), (906, 23018880), (912, 22867440), (960, 21724068), (1140, 18293952), (1152, 18103390), (1208, 17264160), (1216, 17150580), (1262, 16525440), (1280, 16293051), (1359, 15345920), (1368, 15244960), (1440, 14482712), (1510, 13811328), (1520, 13720464), (1710, 12195968), (1812, 11509440), (1824, 11433720), (1893, 11016960), (1920, 10862034), (2265, 9207552), (2280, 9146976), (2304, 9051695), (2416, 8632080), (2432, 8575290), (2524, 8262720), (2718, 7672960), (2736, 7622480), (2869, 7269120), (2880, 7241356), (3020, 6905664), (3040, 6860232), (3155, 6610176), (3420, 6097984), (3624, 5754720), (3648, 5716860), (3786, 5508480), (3840, 5431017), (4530, 4603776), (4560, 4573488), (4832, 4316040), (4864, 4287645), (5048, 4131360), (5436, 3836480), (5472, 3811240), (5679, 3672320), (5738, 3634560), (5760, 3620678), (6040, 3452832), (6080, 3430116), (6310, 3305088), (6795, 3069184), (6840, 3048992), (7248, 2877360), (7296, 2858430), (7572, 2754240), (8607, 2423040), (9060, 2301888), (9120, 2286744), (9465, 2203392), (9664, 2158020), (10096, 2065680), (10872, 1918240), (10944, 1905620), (11358, 1836160), (11476, 1817280), (11520, 1810339), (11989, 1739520), (12080, 1726416), (12160, 1715058), (12620, 1652544), (13590, 1534592), (13680, 1524496), (14345, 1453824), (14496, 1438680), (14592, 1429215), (15144, 1377120), (17214, 1211520), (18120, 1150944), (18240, 1143372), (18930, 1101696), (19328, 1079010), (20192, 1032840), (21744, 959120), (21888, 952810), (22716, 918080), (22952, 908640), (23978, 869760), (24160, 863208), (24320, 857529), (25240, 826272), (25821, 807680), (27180, 767296), (27360, 762248), (28395, 734464), (28690, 726912), (28992, 719340), (30288, 688560), (34428, 605760), (35967, 579840), (36240, 575472), (36480, 571686), (37860, 550848), (38656, 539505), (40384, 516420), (43035, 484608), (43488, 479560), (43776, 476405), (45432, 459040), (45904, 454320), (47956, 434880), (48320, 431604), (50480, 413136), (51642, 403840), (54360, 383648), (54720, 381124), (56790, 367232), (57380, 363456), (57984, 359670), (59945, 347904), (60576, 344280), (68856, 302880), (71934, 289920), (72480, 287736), (72960, 285843), (75720, 275424), (80768, 258210), (86070, 242304), (86976, 239780), (90864, 229520), (91808, 227160), (95281, 218880), (95912, 217440), (96640, 215802), (100960, 206568), (103284, 201920), (107901, 193280), (108720, 191824), (109440, 190562), (113580, 183616), (114760, 181728), (115968, 179835), (119890, 173952), (121152, 172140), (129105, 161536), (137712, 151440), (143868, 144960)]