21991806720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1653

約数の個数: 576

約数和(自身を含む): 86809497600

約数和(自身を除く): 64817690880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 52, 54, 60, 62, 64, 65, 72, 78, 80, 90, 93, 96, 104, 108, 117, 120, 124, 128, 130, 135, 144, 155, 156, 160, 180, 186, 192, 195, 208, 216, 234, 240, 248, 256, 260, 270, 279, 288, 310, 312, 320, 351, 360, 372, 384, 390, 403, 416, 432, 465, 468, 480, 496, 520, 540, 558, 576, 585, 620, 624, 640, 702, 720, 744, 768, 780, 806, 832, 837, 864, 930, 936, 960, 992, 1040, 1080, 1116, 1152, 1170, 1209, 1240, 1248, 1280, 1395, 1404, 1440, 1488, 1560, 1579, 1612, 1664, 1674, 1728, 1755, 1860, 1872, 1920, 1984, 2015, 2080, 2160, 2232, 2304, 2340, 2418, 2480, 2496, 2790, 2808, 2880, 2976, 3120, 3158, 3224, 3328, 3348, 3456, 3510, 3627, 3720, 3744, 3840, 3968, 4030, 4160, 4185, 4320, 4464, 4680, 4737, 4836, 4960, 4992, 5580, 5616, 5760, 5952, 6045, 6240, 6316, 6448, 6696, 6912, 7020, 7254, 7440, 7488, 7895, 7936, 8060, 8320, 8370, 8640, 8928, 9360, 9474, 9672, 9920, 9984, 10881, 11160, 11232, 11520, 11904, 12090, 12480, 12632, 12896, 13392, 14040, 14211, 14508, 14880, 14976, 15790, 16120, 16640, 16740, 17280, 17856, 18135, 18720, 18948, 19344, 19840, 20527, 21762, 22320, 22464, 23685, 23808, 24180, 24960, 25264, 25792, 26784, 28080, 28422, 29016, 29760, 29952, 31580, 32240, 33480, 34560, 35712, 36270, 37440, 37896, 38688, 39680, 41054, 42633, 43524, 44640, 44928, 47370, 48360, 48949, 49920, 50528, 51584, 53568, 54405, 56160, 56844, 58032, 59520, 61581, 63160, 64480, 66960, 71055, 71424, 72540, 74880, 75792, 77376, 82108, 85266, 87048, 89280, 89856, 94740, 96720, 97898, 101056, 102635, 103168, 107136, 108810, 112320, 113688, 116064, 119040, 123162, 126320, 128960, 133920, 142110, 145080, 146847, 149760, 151584, 154752, 164216, 170532, 174096, 178560, 184743, 189480, 193440, 195796, 202112, 205270, 213165, 214272, 217620, 224640, 227376, 232128, 244745, 246324, 252640, 257920, 267840, 284220, 290160, 293694, 303168, 307905, 309504, 328432, 341064, 348192, 357120, 369486, 378960, 386880, 391592, 404224, 410540, 426330, 435240, 440541, 449280, 454752, 464256, 489490, 492648, 505280, 515840, 535680, 554229, 568440, 580320, 587388, 606336, 615810, 636337, 656864, 682128, 696384, 734235, 738972, 757920, 773760, 783184, 821080, 852660, 870480, 881082, 909504, 923715, 928512, 978980, 985296, 1010560, 1071360, 1108458, 1136880, 1160640, 1174776, 1212672, 1231620, 1272674, 1313728, 1321623, 1364256, 1392768, 1468470, 1477944, 1515840, 1547520, 1566368, 1642160, 1705320, 1740960, 1762164, 1819008, 1847430, 1909011, 1957960, 1970592, 2021120, 2202705, 2216916, 2273760, 2321280, 2349552, 2463240, 2545348, 2627456, 2643246, 2728512, 2771145, 2785536, 2936940, 2955888, 3031680, 3132736, 3181685, 3284320, 3410640, 3481920, 3524328, 3638016, 3694860, 3818022, 3915920, 3941184, 4405410, 4433832, 4547520, 4642560, 4699104, 4926480, 5090696, 5254912, 5286492, 5457024, 5542290, 5727033, 5873880, 5911776, 6063360, 6265472, 6363370, 6568640, 6608115, 6821280, 6963840, 7048656, 7389720, 7636044, 7831840, 7882368, 8810820, 8867664, 9095040, 9398208, 9545055, 9852960, 10181392, 10572984, 10914048, 11084580, 11454066, 11747760, 11823552, 12530944, 12726740, 13137280, 13216230, 13642560, 13927680, 14097312, 14779440, 15272088, 15663680, 15764736, 17181099, 17621640, 17735328, 18190080, 18796416, 19090110, 19705920, 20362784, 21145968, 22169160, 22908132, 23495520, 23647104, 25453480, 26274560, 26432460, 27285120, 28194624, 28635165, 29558880, 30544176, 31327360, 34362198, 35243280, 35470656, 37592832, 38180220, 39411840, 40725568, 42291936, 44338320, 45816264, 46991040, 47294208, 50906960, 52864920, 54570240, 56389248, 57270330, 59117760, 61088352, 62654720, 68724396, 70486560, 70941312, 76360440, 78823680, 81451136, 84583872, 85905495, 88676640, 91632528, 93982080, 101813920, 105729840, 112778496, 114540660, 118235520, 122176704, 137448792, 140973120, 141882624, 152720880, 162902272, 169167744, 171810990, 177353280, 183265056, 187964160, 203627840, 211459680, 229081320, 236471040, 244353408, 274897584, 281946240, 305441760, 338335488, 343621980, 354706560, 366530112, 407255680, 422919360, 458162640, 488706816, 549795168, 563892480, 610883520, 687243960, 709413120, 733060224, 814511360, 845838720, 916325280, 1099590336, 1221767040, 1374487920, 1466120448, 1691677440, 1832650560, 2199180672, 2443534080, 2748975840, 3665301120, 4398361344, 5497951680, 7330602240, 10995903360, 21991806720]

約数ペア:

[(1, 21991806720), (2, 10995903360), (3, 7330602240), (4, 5497951680), (5, 4398361344), (6, 3665301120), (8, 2748975840), (9, 2443534080), (10, 2199180672), (12, 1832650560), (13, 1691677440), (15, 1466120448), (16, 1374487920), (18, 1221767040), (20, 1099590336), (24, 916325280), (26, 845838720), (27, 814511360), (30, 733060224), (31, 709413120), (32, 687243960), (36, 610883520), (39, 563892480), (40, 549795168), (45, 488706816), (48, 458162640), (52, 422919360), (54, 407255680), (60, 366530112), (62, 354706560), (64, 343621980), (65, 338335488), (72, 305441760), (78, 281946240), (80, 274897584), (90, 244353408), (93, 236471040), (96, 229081320), (104, 211459680), (108, 203627840), (117, 187964160), (120, 183265056), (124, 177353280), (128, 171810990), (130, 169167744), (135, 162902272), (144, 152720880), (155, 141882624), (156, 140973120), (160, 137448792), (180, 122176704), (186, 118235520), (192, 114540660), (195, 112778496), (208, 105729840), (216, 101813920), (234, 93982080), (240, 91632528), (248, 88676640), (256, 85905495), (260, 84583872), (270, 81451136), (279, 78823680), (288, 76360440), (310, 70941312), (312, 70486560), (320, 68724396), (351, 62654720), (360, 61088352), (372, 59117760), (384, 57270330), (390, 56389248), (403, 54570240), (416, 52864920), (432, 50906960), (465, 47294208), (468, 46991040), (480, 45816264), (496, 44338320), (520, 42291936), (540, 40725568), (558, 39411840), (576, 38180220), (585, 37592832), (620, 35470656), (624, 35243280), (640, 34362198), (702, 31327360), (720, 30544176), (744, 29558880), (768, 28635165), (780, 28194624), (806, 27285120), (832, 26432460), (837, 26274560), (864, 25453480), (930, 23647104), (936, 23495520), (960, 22908132), (992, 22169160), (1040, 21145968), (1080, 20362784), (1116, 19705920), (1152, 19090110), (1170, 18796416), (1209, 18190080), (1240, 17735328), (1248, 17621640), (1280, 17181099), (1395, 15764736), (1404, 15663680), (1440, 15272088), (1488, 14779440), (1560, 14097312), (1579, 13927680), (1612, 13642560), (1664, 13216230), (1674, 13137280), (1728, 12726740), (1755, 12530944), (1860, 11823552), (1872, 11747760), (1920, 11454066), (1984, 11084580), (2015, 10914048), (2080, 10572984), (2160, 10181392), (2232, 9852960), (2304, 9545055), (2340, 9398208), (2418, 9095040), (2480, 8867664), (2496, 8810820), (2790, 7882368), (2808, 7831840), (2880, 7636044), (2976, 7389720), (3120, 7048656), (3158, 6963840), (3224, 6821280), (3328, 6608115), (3348, 6568640), (3456, 6363370), (3510, 6265472), (3627, 6063360), (3720, 5911776), (3744, 5873880), (3840, 5727033), (3968, 5542290), (4030, 5457024), (4160, 5286492), (4185, 5254912), (4320, 5090696), (4464, 4926480), (4680, 4699104), (4737, 4642560), (4836, 4547520), (4960, 4433832), (4992, 4405410), (5580, 3941184), (5616, 3915920), (5760, 3818022), (5952, 3694860), (6045, 3638016), (6240, 3524328), (6316, 3481920), (6448, 3410640), (6696, 3284320), (6912, 3181685), (7020, 3132736), (7254, 3031680), (7440, 2955888), (7488, 2936940), (7895, 2785536), (7936, 2771145), (8060, 2728512), (8320, 2643246), (8370, 2627456), (8640, 2545348), (8928, 2463240), (9360, 2349552), (9474, 2321280), (9672, 2273760), (9920, 2216916), (9984, 2202705), (10881, 2021120), (11160, 1970592), (11232, 1957960), (11520, 1909011), (11904, 1847430), (12090, 1819008), (12480, 1762164), (12632, 1740960), (12896, 1705320), (13392, 1642160), (14040, 1566368), (14211, 1547520), (14508, 1515840), (14880, 1477944), (14976, 1468470), (15790, 1392768), (16120, 1364256), (16640, 1321623), (16740, 1313728), (17280, 1272674), (17856, 1231620), (18135, 1212672), (18720, 1174776), (18948, 1160640), (19344, 1136880), (19840, 1108458), (20527, 1071360), (21762, 1010560), (22320, 985296), (22464, 978980), (23685, 928512), (23808, 923715), (24180, 909504), (24960, 881082), (25264, 870480), (25792, 852660), (26784, 821080), (28080, 783184), (28422, 773760), (29016, 757920), (29760, 738972), (29952, 734235), (31580, 696384), (32240, 682128), (33480, 656864), (34560, 636337), (35712, 615810), (36270, 606336), (37440, 587388), (37896, 580320), (38688, 568440), (39680, 554229), (41054, 535680), (42633, 515840), (43524, 505280), (44640, 492648), (44928, 489490), (47370, 464256), (48360, 454752), (48949, 449280), (49920, 440541), (50528, 435240), (51584, 426330), (53568, 410540), (54405, 404224), (56160, 391592), (56844, 386880), (58032, 378960), (59520, 369486), (61581, 357120), (63160, 348192), (64480, 341064), (66960, 328432), (71055, 309504), (71424, 307905), (72540, 303168), (74880, 293694), (75792, 290160), (77376, 284220), (82108, 267840), (85266, 257920), (87048, 252640), (89280, 246324), (89856, 244745), (94740, 232128), (96720, 227376), (97898, 224640), (101056, 217620), (102635, 214272), (103168, 213165), (107136, 205270), (108810, 202112), (112320, 195796), (113688, 193440), (116064, 189480), (119040, 184743), (123162, 178560), (126320, 174096), (128960, 170532), (133920, 164216), (142110, 154752), (145080, 151584), (146847, 149760)]