20789982720

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 640

約数和(自身を含む): 84268356480

約数和(自身を除く): 63478373760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 108, 117, 120, 128, 130, 135, 136, 144, 153, 156, 160, 170, 180, 192, 195, 204, 208, 216, 221, 234, 240, 255, 256, 260, 270, 272, 288, 306, 312, 320, 340, 351, 360, 384, 390, 408, 416, 432, 442, 459, 468, 480, 510, 512, 520, 540, 544, 576, 585, 612, 624, 640, 663, 680, 702, 720, 765, 768, 780, 816, 832, 864, 884, 918, 936, 960, 1020, 1040, 1080, 1088, 1105, 1152, 1170, 1224, 1248, 1280, 1326, 1360, 1361, 1404, 1440, 1530, 1536, 1560, 1632, 1664, 1728, 1755, 1768, 1836, 1872, 1920, 1989, 2040, 2080, 2160, 2176, 2210, 2295, 2304, 2340, 2448, 2496, 2560, 2652, 2720, 2722, 2808, 2880, 3060, 3120, 3264, 3315, 3328, 3456, 3510, 3536, 3672, 3744, 3840, 3978, 4080, 4083, 4160, 4320, 4352, 4420, 4590, 4608, 4680, 4896, 4992, 5304, 5440, 5444, 5616, 5760, 5967, 6120, 6240, 6528, 6630, 6656, 6805, 6912, 7020, 7072, 7344, 7488, 7680, 7956, 8160, 8166, 8320, 8640, 8704, 8840, 9180, 9360, 9792, 9945, 9984, 10608, 10880, 10888, 11232, 11520, 11934, 12240, 12249, 12480, 13056, 13260, 13610, 13824, 14040, 14144, 14688, 14976, 15912, 16320, 16332, 16640, 17280, 17680, 17693, 18360, 18720, 19584, 19890, 19968, 20415, 21216, 21760, 21776, 22464, 23040, 23137, 23868, 24480, 24498, 24960, 26112, 26520, 27220, 28080, 28288, 29376, 29835, 29952, 31824, 32640, 32664, 33280, 34560, 35360, 35386, 36720, 36747, 37440, 39168, 39780, 40830, 42432, 43520, 43552, 44928, 46274, 47736, 48960, 48996, 49920, 53040, 53079, 54440, 56160, 56576, 58752, 59670, 59904, 61245, 63648, 65280, 65328, 69120, 69411, 70720, 70772, 73440, 73494, 74880, 78336, 79560, 81660, 84864, 87104, 88465, 89856, 92548, 95472, 97920, 97992, 99840, 106080, 106158, 108880, 112320, 113152, 115685, 117504, 119340, 122490, 127296, 130560, 130656, 138822, 141440, 141544, 146880, 146988, 149760, 159120, 159237, 163320, 169728, 174208, 176930, 179712, 183735, 185096, 190944, 195840, 195984, 208233, 212160, 212316, 217760, 224640, 231370, 235008, 238680, 244980, 254592, 261312, 265395, 277644, 282880, 283088, 293760, 293976, 299520, 300781, 318240, 318474, 326640, 339456, 347055, 348416, 353860, 367470, 370192, 381888, 391680, 391968, 416466, 424320, 424632, 435520, 449280, 462740, 477360, 477711, 489960, 509184, 522624, 530790, 555288, 565760, 566176, 587520, 587952, 601562, 624699, 636480, 636948, 653280, 694110, 696832, 707720, 734940, 740384, 763776, 783936, 796185, 832932, 848640, 849264, 871040, 898560, 902343, 925480, 954720, 955422, 979920, 1018368, 1041165, 1045248, 1061580, 1110576, 1132352, 1175040, 1175904, 1203124, 1249398, 1272960, 1273896, 1306560, 1388220, 1415440, 1469880, 1480768, 1503905, 1527552, 1567872, 1592370, 1665864, 1697280, 1698528, 1742080, 1804686, 1850960, 1909440, 1910844, 1959840, 2082330, 2090496, 2123160, 2221152, 2264704, 2351808, 2388555, 2406248, 2498796, 2545920, 2547792, 2613120, 2707029, 2776440, 2830880, 2939760, 2961536, 3007810, 3055104, 3123495, 3135744, 3184740, 3331728, 3397056, 3484160, 3609372, 3701920, 3818880, 3821688, 3919680, 4164660, 4246320, 4442304, 4511715, 4529408, 4703616, 4777110, 4812496, 4997592, 5091840, 5095584, 5226240, 5414058, 5552880, 5661760, 5879520, 5923072, 6015620, 6246990, 6271488, 6369480, 6663456, 6794112, 7218744, 7403840, 7637760, 7643376, 7839360, 8121087, 8329320, 8492640, 8884608, 9023430, 9058816, 9407232, 9554220, 9624992, 9995184, 10191168, 10452480, 10828116, 11105760, 11323520, 11759040, 11846144, 12031240, 12493980, 12738960, 13326912, 13535145, 13588224, 14437488, 14807680, 15275520, 15286752, 15678720, 16242174, 16658640, 16985280, 17769216, 18046860, 18814464, 19108440, 19249984, 19990368, 20382336, 21656232, 22211520, 22647040, 23518080, 24062480, 24987960, 25477920, 26653824, 27070290, 27176448, 28874976, 29615360, 30573504, 31357440, 32484348, 33317280, 33970560, 35538432, 36093720, 38216880, 38499968, 39980736, 40605435, 40764672, 43312464, 44423040, 45294080, 47036160, 48124960, 49975920, 50955840, 53307648, 54140580, 57749952, 59230720, 61147008, 64968696, 66634560, 67941120, 72187440, 76433760, 76999936, 79961472, 81210870, 81529344, 86624928, 88846080, 94072320, 96249920, 99951840, 101911680, 106615296, 108281160, 115499904, 122294016, 129937392, 133269120, 135882240, 144374880, 152867520, 153999872, 159922944, 162421740, 173249856, 177692160, 192499840, 199903680, 203823360, 216562320, 230999808, 244588032, 259874784, 266538240, 288749760, 305735040, 319845888, 324843480, 346499712, 384999680, 399807360, 407646720, 433124640, 461999616, 519749568, 533076480, 577499520, 611470080, 649686960, 692999424, 769999360, 799614720, 866249280, 1039499136, 1154999040, 1222940160, 1299373920, 1385998848, 1599229440, 1732498560, 2078998272, 2309998080, 2598747840, 3464997120, 4157996544, 5197495680, 6929994240, 10394991360, 20789982720]

約数ペア:

[(1, 20789982720), (2, 10394991360), (3, 6929994240), (4, 5197495680), (5, 4157996544), (6, 3464997120), (8, 2598747840), (9, 2309998080), (10, 2078998272), (12, 1732498560), (13, 1599229440), (15, 1385998848), (16, 1299373920), (17, 1222940160), (18, 1154999040), (20, 1039499136), (24, 866249280), (26, 799614720), (27, 769999360), (30, 692999424), (32, 649686960), (34, 611470080), (36, 577499520), (39, 533076480), (40, 519749568), (45, 461999616), (48, 433124640), (51, 407646720), (52, 399807360), (54, 384999680), (60, 346499712), (64, 324843480), (65, 319845888), (68, 305735040), (72, 288749760), (78, 266538240), (80, 259874784), (85, 244588032), (90, 230999808), (96, 216562320), (102, 203823360), (104, 199903680), (108, 192499840), (117, 177692160), (120, 173249856), (128, 162421740), (130, 159922944), (135, 153999872), (136, 152867520), (144, 144374880), (153, 135882240), (156, 133269120), (160, 129937392), (170, 122294016), (180, 115499904), (192, 108281160), (195, 106615296), (204, 101911680), (208, 99951840), (216, 96249920), (221, 94072320), (234, 88846080), (240, 86624928), (255, 81529344), (256, 81210870), (260, 79961472), (270, 76999936), (272, 76433760), (288, 72187440), (306, 67941120), (312, 66634560), (320, 64968696), (340, 61147008), (351, 59230720), (360, 57749952), (384, 54140580), (390, 53307648), (408, 50955840), (416, 49975920), (432, 48124960), (442, 47036160), (459, 45294080), (468, 44423040), (480, 43312464), (510, 40764672), (512, 40605435), (520, 39980736), (540, 38499968), (544, 38216880), (576, 36093720), (585, 35538432), (612, 33970560), (624, 33317280), (640, 32484348), (663, 31357440), (680, 30573504), (702, 29615360), (720, 28874976), (765, 27176448), (768, 27070290), (780, 26653824), (816, 25477920), (832, 24987960), (864, 24062480), (884, 23518080), (918, 22647040), (936, 22211520), (960, 21656232), (1020, 20382336), (1040, 19990368), (1080, 19249984), (1088, 19108440), (1105, 18814464), (1152, 18046860), (1170, 17769216), (1224, 16985280), (1248, 16658640), (1280, 16242174), (1326, 15678720), (1360, 15286752), (1361, 15275520), (1404, 14807680), (1440, 14437488), (1530, 13588224), (1536, 13535145), (1560, 13326912), (1632, 12738960), (1664, 12493980), (1728, 12031240), (1755, 11846144), (1768, 11759040), (1836, 11323520), (1872, 11105760), (1920, 10828116), (1989, 10452480), (2040, 10191168), (2080, 9995184), (2160, 9624992), (2176, 9554220), (2210, 9407232), (2295, 9058816), (2304, 9023430), (2340, 8884608), (2448, 8492640), (2496, 8329320), (2560, 8121087), (2652, 7839360), (2720, 7643376), (2722, 7637760), (2808, 7403840), (2880, 7218744), (3060, 6794112), (3120, 6663456), (3264, 6369480), (3315, 6271488), (3328, 6246990), (3456, 6015620), (3510, 5923072), (3536, 5879520), (3672, 5661760), (3744, 5552880), (3840, 5414058), (3978, 5226240), (4080, 5095584), (4083, 5091840), (4160, 4997592), (4320, 4812496), (4352, 4777110), (4420, 4703616), (4590, 4529408), (4608, 4511715), (4680, 4442304), (4896, 4246320), (4992, 4164660), (5304, 3919680), (5440, 3821688), (5444, 3818880), (5616, 3701920), (5760, 3609372), (5967, 3484160), (6120, 3397056), (6240, 3331728), (6528, 3184740), (6630, 3135744), (6656, 3123495), (6805, 3055104), (6912, 3007810), (7020, 2961536), (7072, 2939760), (7344, 2830880), (7488, 2776440), (7680, 2707029), (7956, 2613120), (8160, 2547792), (8166, 2545920), (8320, 2498796), (8640, 2406248), (8704, 2388555), (8840, 2351808), (9180, 2264704), (9360, 2221152), (9792, 2123160), (9945, 2090496), (9984, 2082330), (10608, 1959840), (10880, 1910844), (10888, 1909440), (11232, 1850960), (11520, 1804686), (11934, 1742080), (12240, 1698528), (12249, 1697280), (12480, 1665864), (13056, 1592370), (13260, 1567872), (13610, 1527552), (13824, 1503905), (14040, 1480768), (14144, 1469880), (14688, 1415440), (14976, 1388220), (15912, 1306560), (16320, 1273896), (16332, 1272960), (16640, 1249398), (17280, 1203124), (17680, 1175904), (17693, 1175040), (18360, 1132352), (18720, 1110576), (19584, 1061580), (19890, 1045248), (19968, 1041165), (20415, 1018368), (21216, 979920), (21760, 955422), (21776, 954720), (22464, 925480), (23040, 902343), (23137, 898560), (23868, 871040), (24480, 849264), (24498, 848640), (24960, 832932), (26112, 796185), (26520, 783936), (27220, 763776), (28080, 740384), (28288, 734940), (29376, 707720), (29835, 696832), (29952, 694110), (31824, 653280), (32640, 636948), (32664, 636480), (33280, 624699), (34560, 601562), (35360, 587952), (35386, 587520), (36720, 566176), (36747, 565760), (37440, 555288), (39168, 530790), (39780, 522624), (40830, 509184), (42432, 489960), (43520, 477711), (43552, 477360), (44928, 462740), (46274, 449280), (47736, 435520), (48960, 424632), (48996, 424320), (49920, 416466), (53040, 391968), (53079, 391680), (54440, 381888), (56160, 370192), (56576, 367470), (58752, 353860), (59670, 348416), (59904, 347055), (61245, 339456), (63648, 326640), (65280, 318474), (65328, 318240), (69120, 300781), (69411, 299520), (70720, 293976), (70772, 293760), (73440, 283088), (73494, 282880), (74880, 277644), (78336, 265395), (79560, 261312), (81660, 254592), (84864, 244980), (87104, 238680), (88465, 235008), (89856, 231370), (92548, 224640), (95472, 217760), (97920, 212316), (97992, 212160), (99840, 208233), (106080, 195984), (106158, 195840), (108880, 190944), (112320, 185096), (113152, 183735), (115685, 179712), (117504, 176930), (119340, 174208), (122490, 169728), (127296, 163320), (130560, 159237), (130656, 159120), (138822, 149760), (141440, 146988), (141544, 146880)]