20405105280

素因数分解:

$2^7\times 3^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 960

約数和(自身を含む): 88007099400

約数和(自身を除く): 67601994120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 58, 60, 63, 64, 70, 72, 80, 81, 84, 87, 90, 96, 98, 105, 108, 112, 116, 120, 126, 128, 135, 140, 144, 145, 147, 160, 162, 168, 174, 180, 189, 192, 196, 203, 210, 216, 224, 232, 240, 245, 252, 261, 270, 277, 280, 288, 290, 294, 315, 320, 324, 336, 348, 360, 378, 384, 392, 405, 406, 420, 432, 435, 441, 448, 464, 480, 490, 504, 522, 540, 554, 560, 567, 576, 580, 588, 609, 630, 640, 648, 672, 696, 720, 735, 756, 783, 784, 810, 812, 831, 840, 864, 870, 882, 896, 928, 945, 960, 980, 1008, 1015, 1044, 1080, 1108, 1120, 1134, 1152, 1160, 1176, 1218, 1260, 1296, 1305, 1323, 1344, 1385, 1392, 1421, 1440, 1470, 1512, 1566, 1568, 1620, 1624, 1662, 1680, 1728, 1740, 1764, 1827, 1856, 1890, 1920, 1939, 1960, 2016, 2030, 2088, 2160, 2205, 2216, 2240, 2268, 2320, 2349, 2352, 2436, 2493, 2520, 2592, 2610, 2646, 2688, 2770, 2784, 2835, 2842, 2880, 2940, 3024, 3045, 3132, 3136, 3240, 3248, 3324, 3360, 3456, 3480, 3528, 3654, 3712, 3780, 3878, 3915, 3920, 3969, 4032, 4060, 4155, 4176, 4263, 4320, 4410, 4432, 4480, 4536, 4640, 4698, 4704, 4872, 4986, 5040, 5184, 5220, 5292, 5481, 5540, 5568, 5670, 5684, 5760, 5817, 5880, 6048, 6090, 6264, 6272, 6480, 6496, 6615, 6648, 6720, 6960, 7056, 7105, 7308, 7479, 7560, 7756, 7830, 7840, 7938, 8033, 8064, 8120, 8310, 8352, 8526, 8640, 8820, 8864, 9072, 9135, 9280, 9396, 9408, 9695, 9744, 9972, 10080, 10368, 10440, 10584, 10962, 11080, 11136, 11340, 11368, 11634, 11745, 11760, 12096, 12180, 12465, 12528, 12789, 12960, 12992, 13230, 13296, 13440, 13573, 13920, 14112, 14210, 14616, 14958, 15120, 15512, 15660, 15680, 15876, 16066, 16240, 16443, 16620, 16704, 17052, 17280, 17451, 17640, 17728, 18144, 18270, 18560, 18792, 18816, 19390, 19488, 19845, 19944, 20160, 20880, 21168, 21315, 21924, 22160, 22437, 22680, 22736, 23268, 23490, 23520, 24099, 24192, 24360, 24930, 25056, 25578, 25920, 25984, 26460, 26592, 27146, 27405, 27840, 28224, 28420, 29085, 29232, 29916, 30240, 31024, 31320, 31360, 31752, 32132, 32480, 32886, 33240, 33408, 34104, 34902, 35280, 35456, 36288, 36540, 37395, 37584, 38367, 38780, 38976, 39690, 39888, 40165, 40320, 40719, 41760, 42336, 42630, 43848, 44320, 44874, 45360, 45472, 46536, 46980, 47040, 48198, 48720, 49860, 50112, 51156, 51840, 52353, 52920, 53184, 54292, 54810, 55680, 56231, 56448, 56840, 58170, 58464, 59832, 60480, 62048, 62640, 63504, 63945, 64264, 64960, 65772, 66480, 67865, 68208, 69804, 70560, 72297, 72576, 73080, 74790, 75168, 76734, 77560, 77952, 79380, 79776, 80330, 81438, 82215, 83520, 84672, 85260, 87255, 87696, 88640, 89748, 90720, 90944, 93072, 93960, 94080, 96396, 97440, 99720, 100224, 102312, 104706, 105840, 106368, 108584, 109620, 112185, 112462, 113680, 115101, 116340, 116928, 119664, 120495, 120960, 122157, 124096, 125280, 127008, 127890, 128528, 129920, 131544, 132960, 135730, 136416, 139608, 141120, 144594, 146160, 149580, 150336, 153468, 155120, 157059, 158760, 159552, 160660, 162876, 164430, 167040, 168693, 169344, 170520, 174510, 175392, 177280, 179496, 181440, 181888, 186144, 187920, 191835, 192792, 194880, 199440, 203595, 204624, 209412, 211680, 216891, 217168, 219240, 224370, 224924, 227360, 230202, 232680, 233856, 239328, 240990, 244314, 248192, 250560, 254016, 255780, 257056, 261765, 263088, 265920, 271460, 272832, 279216, 281155, 282240, 289188, 292320, 299160, 300672, 306936, 310240, 314118, 317520, 319104, 321320, 325752, 328860, 337386, 341040, 349020, 350784, 358992, 361485, 362880, 366471, 372288, 375840, 383670, 385584, 389760, 393617, 398880, 407190, 409248, 418824, 423360, 433782, 434336, 438480, 448740, 449848, 454720, 460404, 465360, 478656, 481980, 488628, 501120, 506079, 508032, 511560, 514112, 523530, 526176, 531840, 542920, 545664, 558432, 562310, 575505, 578376, 584640, 598320, 610785, 613872, 620480, 628236, 635040, 642640, 650673, 651504, 657720, 674772, 682080, 698040, 701568, 717984, 722970, 732942, 744576, 751680, 767340, 771168, 785295, 787234, 797760, 814380, 818496, 837648, 843465, 846720, 867564, 868672, 876960, 897480, 899696, 909440, 920808, 930720, 957312, 963960, 977256, 1012158, 1023120, 1028224, 1047060, 1052352, 1084455, 1085840, 1099413, 1116864, 1124620, 1151010, 1156752, 1169280, 1180851, 1196640, 1221570, 1227744, 1240960, 1256472, 1270080, 1285280, 1301346, 1303008, 1315440, 1349544, 1364160, 1396080, 1435968, 1445940, 1465884, 1503360, 1518237, 1534680, 1542336, 1570590, 1574468, 1595520, 1628760, 1636992, 1675296, 1686930, 1735128, 1737344, 1753920, 1794960, 1799392, 1832355, 1841616, 1861440, 1927920, 1954512, 1968085, 2024316, 2046240, 2094120, 2104704, 2168910, 2171680, 2198826, 2233728, 2249240, 2302020, 2313504, 2361702, 2393280, 2443140, 2455488, 2512944, 2530395, 2540160, 2570560, 2602692, 2606016, 2630880, 2699088, 2728320, 2792160, 2871936, 2891880, 2931768, 3036474, 3069360, 3084672, 3141180, 3148936, 3253365, 3257520, 3350592, 3373860, 3470256, 3507840, 3542553, 3589920, 3598784, 3664710, 3683232, 3722880, 3855840, 3909024, 3936170, 4048632, 4092480, 4188240, 4337820, 4343360, 4397652, 4498480, 4554711, 4604040, 4627008, 4723404, 4786560, 4886280, 4910976, 5025888, 5060790, 5141120, 5205384, 5212032, 5261760, 5398176, 5497065, 5584320, 5783760, 5863536, 5904255, 6072948, 6138720, 6282360, 6297872, 6506730, 6515040, 6701184, 6747720, 6940512, 7085106, 7179840, 7197568, 7329420, 7366464, 7591185, 7711680, 7818048, 7872340, 8097264, 8184960, 8376480, 8675640, 8686720, 8795304, 8996960, 9109422, 9208080, 9254016, 9446808, 9772560, 10051776, 10121580, 10410768, 10523520, 10627659, 10796352, 10994130, 11168640, 11567520, 11727072, 11808510, 12145896, 12277440, 12564720, 12595744, 13013460, 13030080, 13495440, 13881024, 14170212, 14359680, 14658840, 14732928, 15182370, 15423360, 15636096, 15744680, 16194528, 16752960, 17351280, 17590608, 17712765, 17993920, 18218844, 18416160, 18893616, 19545120, 20103552, 20243160, 20821536, 21255318, 21592704, 21988260, 22773555, 23135040, 23454144, 23617020, 24291792, 24554880, 25129440, 25191488, 26026920, 26060160, 26990880, 27762048, 28340424, 29317680, 30364740, 31489360, 31882977, 32389056, 33505920, 34702560, 35181216, 35425530, 35987840, 36437688, 36832320, 37787232, 39090240, 40486320, 41643072, 42510636, 43976520, 45547110, 46270080, 46908288, 47234040, 48583584, 50258880, 50382976, 52053840, 53138295, 53981760, 56680848, 58635360, 60729480, 62978720, 63765954, 64778112, 69405120, 70362432, 70851060, 72875376, 73664640, 75574464, 78180480, 80972640, 83286144, 85021272, 87953040, 91094220, 94468080, 97167168, 100517760, 104107680, 106276590, 107963520, 113361696, 117270720, 121458960, 125957440, 127531908, 138810240, 140724864, 141702120, 145750752, 151148928, 159414885, 161945280, 170042544, 175906080, 182188440, 188936160, 194334336, 208215360, 212553180, 226723392, 234541440, 242917920, 251914880, 255063816, 283404240, 291501504, 318829770, 323890560, 340085088, 351812160, 364376880, 377872320, 416430720, 425106360, 453446784, 485835840, 510127632, 566808480, 583003008, 637659540, 680170176, 703624320, 728753760, 755744640, 850212720, 971671680, 1020255264, 1133616960, 1275319080, 1360340352, 1457507520, 1700425440, 2040510528, 2267233920, 2550638160, 2915015040, 3400850880, 4081021056, 5101276320, 6801701760, 10202552640, 20405105280]

約数ペア:

[(1, 20405105280), (2, 10202552640), (3, 6801701760), (4, 5101276320), (5, 4081021056), (6, 3400850880), (7, 2915015040), (8, 2550638160), (9, 2267233920), (10, 2040510528), (12, 1700425440), (14, 1457507520), (15, 1360340352), (16, 1275319080), (18, 1133616960), (20, 1020255264), (21, 971671680), (24, 850212720), (27, 755744640), (28, 728753760), (29, 703624320), (30, 680170176), (32, 637659540), (35, 583003008), (36, 566808480), (40, 510127632), (42, 485835840), (45, 453446784), (48, 425106360), (49, 416430720), (54, 377872320), (56, 364376880), (58, 351812160), (60, 340085088), (63, 323890560), (64, 318829770), (70, 291501504), (72, 283404240), (80, 255063816), (81, 251914880), (84, 242917920), (87, 234541440), (90, 226723392), (96, 212553180), (98, 208215360), (105, 194334336), (108, 188936160), (112, 182188440), (116, 175906080), (120, 170042544), (126, 161945280), (128, 159414885), (135, 151148928), (140, 145750752), (144, 141702120), (145, 140724864), (147, 138810240), (160, 127531908), (162, 125957440), (168, 121458960), (174, 117270720), (180, 113361696), (189, 107963520), (192, 106276590), (196, 104107680), (203, 100517760), (210, 97167168), (216, 94468080), (224, 91094220), (232, 87953040), (240, 85021272), (245, 83286144), (252, 80972640), (261, 78180480), (270, 75574464), (277, 73664640), (280, 72875376), (288, 70851060), (290, 70362432), (294, 69405120), (315, 64778112), (320, 63765954), (324, 62978720), (336, 60729480), (348, 58635360), (360, 56680848), (378, 53981760), (384, 53138295), (392, 52053840), (405, 50382976), (406, 50258880), (420, 48583584), (432, 47234040), (435, 46908288), (441, 46270080), (448, 45547110), (464, 43976520), (480, 42510636), (490, 41643072), (504, 40486320), (522, 39090240), (540, 37787232), (554, 36832320), (560, 36437688), (567, 35987840), (576, 35425530), (580, 35181216), (588, 34702560), (609, 33505920), (630, 32389056), (640, 31882977), (648, 31489360), (672, 30364740), (696, 29317680), (720, 28340424), (735, 27762048), (756, 26990880), (783, 26060160), (784, 26026920), (810, 25191488), (812, 25129440), (831, 24554880), (840, 24291792), (864, 23617020), (870, 23454144), (882, 23135040), (896, 22773555), (928, 21988260), (945, 21592704), (960, 21255318), (980, 20821536), (1008, 20243160), (1015, 20103552), (1044, 19545120), (1080, 18893616), (1108, 18416160), (1120, 18218844), (1134, 17993920), (1152, 17712765), (1160, 17590608), (1176, 17351280), (1218, 16752960), (1260, 16194528), (1296, 15744680), (1305, 15636096), (1323, 15423360), (1344, 15182370), (1385, 14732928), (1392, 14658840), (1421, 14359680), (1440, 14170212), (1470, 13881024), (1512, 13495440), (1566, 13030080), (1568, 13013460), (1620, 12595744), (1624, 12564720), (1662, 12277440), (1680, 12145896), (1728, 11808510), (1740, 11727072), (1764, 11567520), (1827, 11168640), (1856, 10994130), (1890, 10796352), (1920, 10627659), (1939, 10523520), (1960, 10410768), (2016, 10121580), (2030, 10051776), (2088, 9772560), (2160, 9446808), (2205, 9254016), (2216, 9208080), (2240, 9109422), (2268, 8996960), (2320, 8795304), (2349, 8686720), (2352, 8675640), (2436, 8376480), (2493, 8184960), (2520, 8097264), (2592, 7872340), (2610, 7818048), (2646, 7711680), (2688, 7591185), (2770, 7366464), (2784, 7329420), (2835, 7197568), (2842, 7179840), (2880, 7085106), (2940, 6940512), (3024, 6747720), (3045, 6701184), (3132, 6515040), (3136, 6506730), (3240, 6297872), (3248, 6282360), (3324, 6138720), (3360, 6072948), (3456, 5904255), (3480, 5863536), (3528, 5783760), (3654, 5584320), (3712, 5497065), (3780, 5398176), (3878, 5261760), (3915, 5212032), (3920, 5205384), (3969, 5141120), (4032, 5060790), (4060, 5025888), (4155, 4910976), (4176, 4886280), (4263, 4786560), (4320, 4723404), (4410, 4627008), (4432, 4604040), (4480, 4554711), (4536, 4498480), (4640, 4397652), (4698, 4343360), (4704, 4337820), (4872, 4188240), (4986, 4092480), (5040, 4048632), (5184, 3936170), (5220, 3909024), (5292, 3855840), (5481, 3722880), (5540, 3683232), (5568, 3664710), (5670, 3598784), (5684, 3589920), (5760, 3542553), (5817, 3507840), (5880, 3470256), (6048, 3373860), (6090, 3350592), (6264, 3257520), (6272, 3253365), (6480, 3148936), (6496, 3141180), (6615, 3084672), (6648, 3069360), (6720, 3036474), (6960, 2931768), (7056, 2891880), (7105, 2871936), (7308, 2792160), (7479, 2728320), (7560, 2699088), (7756, 2630880), (7830, 2606016), (7840, 2602692), (7938, 2570560), (8033, 2540160), (8064, 2530395), (8120, 2512944), (8310, 2455488), (8352, 2443140), (8526, 2393280), (8640, 2361702), (8820, 2313504), (8864, 2302020), (9072, 2249240), (9135, 2233728), (9280, 2198826), (9396, 2171680), (9408, 2168910), (9695, 2104704), (9744, 2094120), (9972, 2046240), (10080, 2024316), (10368, 1968085), (10440, 1954512), (10584, 1927920), (10962, 1861440), (11080, 1841616), (11136, 1832355), (11340, 1799392), (11368, 1794960), (11634, 1753920), (11745, 1737344), (11760, 1735128), (12096, 1686930), (12180, 1675296), (12465, 1636992), (12528, 1628760), (12789, 1595520), (12960, 1574468), (12992, 1570590), (13230, 1542336), (13296, 1534680), (13440, 1518237), (13573, 1503360), (13920, 1465884), (14112, 1445940), (14210, 1435968), (14616, 1396080), (14958, 1364160), (15120, 1349544), (15512, 1315440), (15660, 1303008), (15680, 1301346), (15876, 1285280), (16066, 1270080), (16240, 1256472), (16443, 1240960), (16620, 1227744), (16704, 1221570), (17052, 1196640), (17280, 1180851), (17451, 1169280), (17640, 1156752), (17728, 1151010), (18144, 1124620), (18270, 1116864), (18560, 1099413), (18792, 1085840), (18816, 1084455), (19390, 1052352), (19488, 1047060), (19845, 1028224), (19944, 1023120), (20160, 1012158), (20880, 977256), (21168, 963960), (21315, 957312), (21924, 930720), (22160, 920808), (22437, 909440), (22680, 899696), (22736, 897480), (23268, 876960), (23490, 868672), (23520, 867564), (24099, 846720), (24192, 843465), (24360, 837648), (24930, 818496), (25056, 814380), (25578, 797760), (25920, 787234), (25984, 785295), (26460, 771168), (26592, 767340), (27146, 751680), (27405, 744576), (27840, 732942), (28224, 722970), (28420, 717984), (29085, 701568), (29232, 698040), (29916, 682080), (30240, 674772), (31024, 657720), (31320, 651504), (31360, 650673), (31752, 642640), (32132, 635040), (32480, 628236), (32886, 620480), (33240, 613872), (33408, 610785), (34104, 598320), (34902, 584640), (35280, 578376), (35456, 575505), (36288, 562310), (36540, 558432), (37395, 545664), (37584, 542920), (38367, 531840), (38780, 526176), (38976, 523530), (39690, 514112), (39888, 511560), (40165, 508032), (40320, 506079), (40719, 501120), (41760, 488628), (42336, 481980), (42630, 478656), (43848, 465360), (44320, 460404), (44874, 454720), (45360, 449848), (45472, 448740), (46536, 438480), (46980, 434336), (47040, 433782), (48198, 423360), (48720, 418824), (49860, 409248), (50112, 407190), (51156, 398880), (51840, 393617), (52353, 389760), (52920, 385584), (53184, 383670), (54292, 375840), (54810, 372288), (55680, 366471), (56231, 362880), (56448, 361485), (56840, 358992), (58170, 350784), (58464, 349020), (59832, 341040), (60480, 337386), (62048, 328860), (62640, 325752), (63504, 321320), (63945, 319104), (64264, 317520), (64960, 314118), (65772, 310240), (66480, 306936), (67865, 300672), (68208, 299160), (69804, 292320), (70560, 289188), (72297, 282240), (72576, 281155), (73080, 279216), (74790, 272832), (75168, 271460), (76734, 265920), (77560, 263088), (77952, 261765), (79380, 257056), (79776, 255780), (80330, 254016), (81438, 250560), (82215, 248192), (83520, 244314), (84672, 240990), (85260, 239328), (87255, 233856), (87696, 232680), (88640, 230202), (89748, 227360), (90720, 224924), (90944, 224370), (93072, 219240), (93960, 217168), (94080, 216891), (96396, 211680), (97440, 209412), (99720, 204624), (100224, 203595), (102312, 199440), (104706, 194880), (105840, 192792), (106368, 191835), (108584, 187920), (109620, 186144), (112185, 181888), (112462, 181440), (113680, 179496), (115101, 177280), (116340, 175392), (116928, 174510), (119664, 170520), (120495, 169344), (120960, 168693), (122157, 167040), (124096, 164430), (125280, 162876), (127008, 160660), (127890, 159552), (128528, 158760), (129920, 157059), (131544, 155120), (132960, 153468), (135730, 150336), (136416, 149580), (139608, 146160), (141120, 144594)]