20512991520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 720

約数和(自身を含む): 86713918200

約数和(自身を除く): 66200926680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 49, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 98, 102, 105, 112, 119, 120, 126, 136, 140, 144, 147, 153, 160, 168, 170, 180, 196, 204, 210, 224, 238, 240, 245, 252, 255, 272, 280, 288, 294, 306, 315, 336, 340, 343, 349, 357, 360, 392, 408, 420, 441, 476, 480, 490, 504, 510, 544, 560, 588, 595, 612, 630, 672, 680, 686, 698, 714, 720, 735, 765, 784, 816, 833, 840, 882, 952, 980, 1008, 1020, 1029, 1047, 1071, 1120, 1176, 1190, 1224, 1260, 1360, 1372, 1396, 1428, 1440, 1470, 1530, 1568, 1632, 1666, 1680, 1715, 1745, 1764, 1785, 1904, 1960, 2016, 2040, 2058, 2094, 2142, 2205, 2352, 2380, 2401, 2443, 2448, 2499, 2520, 2720, 2744, 2792, 2856, 2940, 3060, 3087, 3141, 3332, 3360, 3430, 3490, 3528, 3570, 3808, 3920, 4080, 4116, 4165, 4188, 4284, 4410, 4704, 4760, 4802, 4886, 4896, 4998, 5040, 5145, 5235, 5355, 5488, 5584, 5712, 5831, 5880, 5933, 6120, 6174, 6282, 6664, 6860, 6980, 7056, 7140, 7203, 7329, 7497, 7840, 8160, 8232, 8330, 8376, 8568, 8820, 9520, 9604, 9772, 9996, 10080, 10290, 10470, 10710, 10976, 11168, 11424, 11662, 11760, 11866, 12005, 12215, 12240, 12348, 12495, 12564, 13328, 13720, 13960, 14112, 14280, 14406, 14658, 14994, 15435, 15705, 16464, 16660, 16752, 17101, 17136, 17493, 17640, 17799, 19040, 19208, 19544, 19992, 20580, 20940, 21420, 21609, 21987, 23324, 23520, 23732, 24010, 24430, 24480, 24696, 24990, 25128, 26656, 27440, 27920, 28560, 28812, 29155, 29316, 29665, 29988, 30870, 31410, 32928, 33320, 33504, 34202, 34272, 34986, 35280, 35598, 36015, 36645, 37485, 38416, 39088, 39984, 40817, 41160, 41531, 41880, 42840, 43218, 43974, 46648, 47464, 48020, 48860, 49392, 49980, 50256, 51303, 52479, 53397, 54880, 55840, 57120, 57624, 58310, 58632, 59330, 59976, 61740, 62820, 66640, 68404, 69972, 70560, 71196, 72030, 73290, 74970, 76832, 78176, 79968, 81634, 82320, 83062, 83760, 85505, 85680, 86436, 87465, 87948, 88995, 93296, 94928, 96040, 97720, 98784, 99960, 100512, 102606, 104958, 106794, 108045, 109935, 115248, 116620, 117264, 118660, 119707, 119952, 122451, 123480, 124593, 125640, 133280, 136808, 139944, 142392, 144060, 146580, 149940, 153909, 163268, 164640, 166124, 167520, 171010, 171360, 172872, 174930, 175896, 177990, 186592, 189856, 192080, 195440, 199920, 204085, 205212, 207655, 209916, 213588, 216090, 219870, 230496, 233240, 234528, 237320, 239414, 239904, 244902, 246960, 249186, 251280, 256515, 262395, 266985, 273616, 279888, 284784, 288120, 290717, 293160, 299880, 307818, 326536, 332248, 342020, 345744, 349860, 351792, 355980, 359121, 367353, 373779, 384160, 390880, 399840, 408170, 410424, 415310, 419832, 427176, 432180, 439740, 466480, 474640, 478828, 489804, 493920, 498372, 502560, 513030, 524790, 533970, 547232, 559776, 569568, 576240, 581434, 586320, 598535, 599760, 612255, 615636, 622965, 653072, 664496, 684040, 691488, 699720, 703584, 711960, 718242, 734706, 747558, 769545, 816340, 820848, 830620, 837949, 839664, 854352, 864360, 872151, 879480, 932960, 949280, 957656, 979608, 996744, 1026060, 1049580, 1067940, 1077363, 1152480, 1162868, 1172640, 1197070, 1199520, 1224510, 1231272, 1245930, 1306144, 1328992, 1368080, 1399440, 1423920, 1436484, 1453585, 1469412, 1495116, 1539090, 1632680, 1641696, 1661240, 1675898, 1679328, 1708704, 1728720, 1744302, 1758960, 1795605, 1836765, 1868895, 1915312, 1959216, 1993488, 2035019, 2052120, 2099160, 2135880, 2154726, 2325736, 2394140, 2449020, 2462544, 2491860, 2513847, 2616453, 2736160, 2798880, 2847840, 2872968, 2907170, 2938824, 2990232, 3078180, 3265360, 3322480, 3351796, 3457440, 3488604, 3517920, 3591210, 3673530, 3737790, 3830624, 3918432, 3986976, 4070038, 4104240, 4189745, 4198320, 4271760, 4309452, 4360755, 4651472, 4788280, 4898040, 4925088, 4983720, 5027694, 5232906, 5386815, 5745936, 5814340, 5877648, 5980464, 6105057, 6156360, 6530720, 6644960, 6703592, 6977208, 7182420, 7347060, 7475580, 7541541, 8140076, 8208480, 8379490, 8396640, 8543520, 8618904, 8721510, 9302944, 9576560, 9796080, 9967440, 10055388, 10175095, 10465812, 10773630, 11491872, 11628680, 11755296, 11960928, 12210114, 12312720, 12569235, 13082265, 13407184, 13954416, 14245133, 14364840, 14694120, 14951160, 15083082, 16280152, 16758980, 17237808, 17443020, 18315171, 19153120, 19592160, 19934880, 20110776, 20350190, 20931624, 21547260, 23257360, 24420228, 24625440, 25138470, 26164530, 26814368, 27908832, 28490266, 28729680, 29388240, 29902320, 30166164, 30525285, 32560304, 33517960, 34475616, 34886040, 36630342, 37707705, 40221552, 40700380, 41863248, 42735399, 43094520, 46514720, 48840456, 50276940, 52329060, 56980532, 57459360, 58776480, 59804640, 60332328, 61050570, 65120608, 67035920, 69772080, 71225665, 73260684, 75415410, 80443104, 81400760, 83726496, 85470798, 86189040, 91575855, 97680912, 100553880, 104658120, 113961064, 120664656, 122101140, 128206197, 134071840, 139544160, 142451330, 146521368, 150830820, 162801520, 170941596, 172378080, 183151710, 195361824, 201107760, 209316240, 213676995, 227922128, 241329312, 244202280, 256412394, 284902660, 293042736, 301661640, 325603040, 341883192, 366303420, 402215520, 418632480, 427353990, 455844256, 488404560, 512824788, 569805320, 586085472, 603323280, 641030985, 683766384, 732606840, 854707980, 976809120, 1025649576, 1139610640, 1206646560, 1282061970, 1367532768, 1465213680, 1709415960, 2051299152, 2279221280, 2564123940, 2930427360, 3418831920, 4102598304, 5128247880, 6837663840, 10256495760, 20512991520]

約数ペア:

[(1, 20512991520), (2, 10256495760), (3, 6837663840), (4, 5128247880), (5, 4102598304), (6, 3418831920), (7, 2930427360), (8, 2564123940), (9, 2279221280), (10, 2051299152), (12, 1709415960), (14, 1465213680), (15, 1367532768), (16, 1282061970), (17, 1206646560), (18, 1139610640), (20, 1025649576), (21, 976809120), (24, 854707980), (28, 732606840), (30, 683766384), (32, 641030985), (34, 603323280), (35, 586085472), (36, 569805320), (40, 512824788), (42, 488404560), (45, 455844256), (48, 427353990), (49, 418632480), (51, 402215520), (56, 366303420), (60, 341883192), (63, 325603040), (68, 301661640), (70, 293042736), (72, 284902660), (80, 256412394), (84, 244202280), (85, 241329312), (90, 227922128), (96, 213676995), (98, 209316240), (102, 201107760), (105, 195361824), (112, 183151710), (119, 172378080), (120, 170941596), (126, 162801520), (136, 150830820), (140, 146521368), (144, 142451330), (147, 139544160), (153, 134071840), (160, 128206197), (168, 122101140), (170, 120664656), (180, 113961064), (196, 104658120), (204, 100553880), (210, 97680912), (224, 91575855), (238, 86189040), (240, 85470798), (245, 83726496), (252, 81400760), (255, 80443104), (272, 75415410), (280, 73260684), (288, 71225665), (294, 69772080), (306, 67035920), (315, 65120608), (336, 61050570), (340, 60332328), (343, 59804640), (349, 58776480), (357, 57459360), (360, 56980532), (392, 52329060), (408, 50276940), (420, 48840456), (441, 46514720), (476, 43094520), (480, 42735399), (490, 41863248), (504, 40700380), (510, 40221552), (544, 37707705), (560, 36630342), (588, 34886040), (595, 34475616), (612, 33517960), (630, 32560304), (672, 30525285), (680, 30166164), (686, 29902320), (698, 29388240), (714, 28729680), (720, 28490266), (735, 27908832), (765, 26814368), (784, 26164530), (816, 25138470), (833, 24625440), (840, 24420228), (882, 23257360), (952, 21547260), (980, 20931624), (1008, 20350190), (1020, 20110776), (1029, 19934880), (1047, 19592160), (1071, 19153120), (1120, 18315171), (1176, 17443020), (1190, 17237808), (1224, 16758980), (1260, 16280152), (1360, 15083082), (1372, 14951160), (1396, 14694120), (1428, 14364840), (1440, 14245133), (1470, 13954416), (1530, 13407184), (1568, 13082265), (1632, 12569235), (1666, 12312720), (1680, 12210114), (1715, 11960928), (1745, 11755296), (1764, 11628680), (1785, 11491872), (1904, 10773630), (1960, 10465812), (2016, 10175095), (2040, 10055388), (2058, 9967440), (2094, 9796080), (2142, 9576560), (2205, 9302944), (2352, 8721510), (2380, 8618904), (2401, 8543520), (2443, 8396640), (2448, 8379490), (2499, 8208480), (2520, 8140076), (2720, 7541541), (2744, 7475580), (2792, 7347060), (2856, 7182420), (2940, 6977208), (3060, 6703592), (3087, 6644960), (3141, 6530720), (3332, 6156360), (3360, 6105057), (3430, 5980464), (3490, 5877648), (3528, 5814340), (3570, 5745936), (3808, 5386815), (3920, 5232906), (4080, 5027694), (4116, 4983720), (4165, 4925088), (4188, 4898040), (4284, 4788280), (4410, 4651472), (4704, 4360755), (4760, 4309452), (4802, 4271760), (4886, 4198320), (4896, 4189745), (4998, 4104240), (5040, 4070038), (5145, 3986976), (5235, 3918432), (5355, 3830624), (5488, 3737790), (5584, 3673530), (5712, 3591210), (5831, 3517920), (5880, 3488604), (5933, 3457440), (6120, 3351796), (6174, 3322480), (6282, 3265360), (6664, 3078180), (6860, 2990232), (6980, 2938824), (7056, 2907170), (7140, 2872968), (7203, 2847840), (7329, 2798880), (7497, 2736160), (7840, 2616453), (8160, 2513847), (8232, 2491860), (8330, 2462544), (8376, 2449020), (8568, 2394140), (8820, 2325736), (9520, 2154726), (9604, 2135880), (9772, 2099160), (9996, 2052120), (10080, 2035019), (10290, 1993488), (10470, 1959216), (10710, 1915312), (10976, 1868895), (11168, 1836765), (11424, 1795605), (11662, 1758960), (11760, 1744302), (11866, 1728720), (12005, 1708704), (12215, 1679328), (12240, 1675898), (12348, 1661240), (12495, 1641696), (12564, 1632680), (13328, 1539090), (13720, 1495116), (13960, 1469412), (14112, 1453585), (14280, 1436484), (14406, 1423920), (14658, 1399440), (14994, 1368080), (15435, 1328992), (15705, 1306144), (16464, 1245930), (16660, 1231272), (16752, 1224510), (17101, 1199520), (17136, 1197070), (17493, 1172640), (17640, 1162868), (17799, 1152480), (19040, 1077363), (19208, 1067940), (19544, 1049580), (19992, 1026060), (20580, 996744), (20940, 979608), (21420, 957656), (21609, 949280), (21987, 932960), (23324, 879480), (23520, 872151), (23732, 864360), (24010, 854352), (24430, 839664), (24480, 837949), (24696, 830620), (24990, 820848), (25128, 816340), (26656, 769545), (27440, 747558), (27920, 734706), (28560, 718242), (28812, 711960), (29155, 703584), (29316, 699720), (29665, 691488), (29988, 684040), (30870, 664496), (31410, 653072), (32928, 622965), (33320, 615636), (33504, 612255), (34202, 599760), (34272, 598535), (34986, 586320), (35280, 581434), (35598, 576240), (36015, 569568), (36645, 559776), (37485, 547232), (38416, 533970), (39088, 524790), (39984, 513030), (40817, 502560), (41160, 498372), (41531, 493920), (41880, 489804), (42840, 478828), (43218, 474640), (43974, 466480), (46648, 439740), (47464, 432180), (48020, 427176), (48860, 419832), (49392, 415310), (49980, 410424), (50256, 408170), (51303, 399840), (52479, 390880), (53397, 384160), (54880, 373779), (55840, 367353), (57120, 359121), (57624, 355980), (58310, 351792), (58632, 349860), (59330, 345744), (59976, 342020), (61740, 332248), (62820, 326536), (66640, 307818), (68404, 299880), (69972, 293160), (70560, 290717), (71196, 288120), (72030, 284784), (73290, 279888), (74970, 273616), (76832, 266985), (78176, 262395), (79968, 256515), (81634, 251280), (82320, 249186), (83062, 246960), (83760, 244902), (85505, 239904), (85680, 239414), (86436, 237320), (87465, 234528), (87948, 233240), (88995, 230496), (93296, 219870), (94928, 216090), (96040, 213588), (97720, 209916), (98784, 207655), (99960, 205212), (100512, 204085), (102606, 199920), (104958, 195440), (106794, 192080), (108045, 189856), (109935, 186592), (115248, 177990), (116620, 175896), (117264, 174930), (118660, 172872), (119707, 171360), (119952, 171010), (122451, 167520), (123480, 166124), (124593, 164640), (125640, 163268), (133280, 153909), (136808, 149940), (139944, 146580), (142392, 144060)]