20854078560

素因数分解:

$2^5\times 3^4\times 5^1\times 7^2\times {\mathrm{32839}}^1$

素因数の和:32880

約数の個数: 360

約数和(自身を含む): 85616047440

約数和(自身を除く): 64761968880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 480, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1440, 1470, 1512, 1568, 1620, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2268, 2352, 2520, 2592, 2646, 2835, 2940, 3024, 3240, 3360, 3528, 3780, 3920, 3969, 4320, 4410, 4536, 4704, 5040, 5292, 5670, 5880, 6048, 6480, 6615, 7056, 7560, 7840, 7938, 8820, 9072, 10080, 10584, 11340, 11760, 12960, 13230, 14112, 15120, 15876, 17640, 18144, 19845, 21168, 22680, 23520, 26460, 30240, 31752, 32839, 35280, 39690, 42336, 45360, 52920, 63504, 65678, 70560, 79380, 90720, 98517, 105840, 127008, 131356, 158760, 164195, 197034, 211680, 229873, 262712, 295551, 317520, 328390, 394068, 459746, 492585, 525424, 591102, 635040, 656780, 689619, 788136, 886653, 919492, 985170, 1050848, 1149365, 1182204, 1313560, 1379238, 1477755, 1576272, 1609111, 1773306, 1838984, 1970340, 2068857, 2298730, 2364408, 2627120, 2659959, 2758476, 2955510, 3152544, 3218222, 3448095, 3546612, 3677968, 3940680, 4137714, 4433265, 4597460, 4728816, 4827333, 5254240, 5319918, 5516952, 5911020, 6206571, 6436444, 6896190, 7093224, 7355936, 7881360, 8045555, 8275428, 8866530, 9194920, 9457632, 9654666, 10344285, 10639836, 11033904, 11822040, 12413142, 12872888, 13299795, 13792380, 14186448, 14481999, 15762720, 16091110, 16550856, 17733060, 18389840, 18619713, 19309332, 20688570, 21279672, 22067808, 23644080, 24136665, 24826284, 25745776, 26599590, 27584760, 28372896, 28963998, 31032855, 32182220, 33101712, 35466120, 36779680, 37239426, 38618664, 41377140, 42559344, 43445997, 47288160, 48273330, 49652568, 51491552, 53199180, 55169520, 57927996, 62065710, 64364440, 66203424, 70932240, 72409995, 74478852, 77237328, 82754280, 85118688, 86891994, 93098565, 96546660, 99305136, 106398360, 110339040, 115855992, 124131420, 128728880, 130337991, 141864480, 144819990, 148957704, 154474656, 165508560, 173783988, 186197130, 193093320, 198610272, 212796720, 217229985, 231711984, 248262840, 257457760, 260675982, 289639980, 297915408, 331017120, 347567976, 372394260, 386186640, 425593440, 434459970, 463423968, 496525680, 521351964, 579279960, 595830816, 651689955, 695135952, 744788520, 772373280, 868919940, 993051360, 1042703928, 1158559920, 1303379910, 1390271904, 1489577040, 1737839880, 2085407856, 2317119840, 2606759820, 2979154080, 3475679760, 4170815712, 5213519640, 6951359520, 10427039280, 20854078560]

約数ペア:

[(1, 20854078560), (2, 10427039280), (3, 6951359520), (4, 5213519640), (5, 4170815712), (6, 3475679760), (7, 2979154080), (8, 2606759820), (9, 2317119840), (10, 2085407856), (12, 1737839880), (14, 1489577040), (15, 1390271904), (16, 1303379910), (18, 1158559920), (20, 1042703928), (21, 993051360), (24, 868919940), (27, 772373280), (28, 744788520), (30, 695135952), (32, 651689955), (35, 595830816), (36, 579279960), (40, 521351964), (42, 496525680), (45, 463423968), (48, 434459970), (49, 425593440), (54, 386186640), (56, 372394260), (60, 347567976), (63, 331017120), (70, 297915408), (72, 289639980), (80, 260675982), (81, 257457760), (84, 248262840), (90, 231711984), (96, 217229985), (98, 212796720), (105, 198610272), (108, 193093320), (112, 186197130), (120, 173783988), (126, 165508560), (135, 154474656), (140, 148957704), (144, 144819990), (147, 141864480), (160, 130337991), (162, 128728880), (168, 124131420), (180, 115855992), (189, 110339040), (196, 106398360), (210, 99305136), (216, 96546660), (224, 93098565), (240, 86891994), (245, 85118688), (252, 82754280), (270, 77237328), (280, 74478852), (288, 72409995), (294, 70932240), (315, 66203424), (324, 64364440), (336, 62065710), (360, 57927996), (378, 55169520), (392, 53199180), (405, 51491552), (420, 49652568), (432, 48273330), (441, 47288160), (480, 43445997), (490, 42559344), (504, 41377140), (540, 38618664), (560, 37239426), (567, 36779680), (588, 35466120), (630, 33101712), (648, 32182220), (672, 31032855), (720, 28963998), (735, 28372896), (756, 27584760), (784, 26599590), (810, 25745776), (840, 24826284), (864, 24136665), (882, 23644080), (945, 22067808), (980, 21279672), (1008, 20688570), (1080, 19309332), (1120, 18619713), (1134, 18389840), (1176, 17733060), (1260, 16550856), (1296, 16091110), (1323, 15762720), (1440, 14481999), (1470, 14186448), (1512, 13792380), (1568, 13299795), (1620, 12872888), (1680, 12413142), (1764, 11822040), (1890, 11033904), (1960, 10639836), (2016, 10344285), (2160, 9654666), (2205, 9457632), (2268, 9194920), (2352, 8866530), (2520, 8275428), (2592, 8045555), (2646, 7881360), (2835, 7355936), (2940, 7093224), (3024, 6896190), (3240, 6436444), (3360, 6206571), (3528, 5911020), (3780, 5516952), (3920, 5319918), (3969, 5254240), (4320, 4827333), (4410, 4728816), (4536, 4597460), (4704, 4433265), (5040, 4137714), (5292, 3940680), (5670, 3677968), (5880, 3546612), (6048, 3448095), (6480, 3218222), (6615, 3152544), (7056, 2955510), (7560, 2758476), (7840, 2659959), (7938, 2627120), (8820, 2364408), (9072, 2298730), (10080, 2068857), (10584, 1970340), (11340, 1838984), (11760, 1773306), (12960, 1609111), (13230, 1576272), (14112, 1477755), (15120, 1379238), (15876, 1313560), (17640, 1182204), (18144, 1149365), (19845, 1050848), (21168, 985170), (22680, 919492), (23520, 886653), (26460, 788136), (30240, 689619), (31752, 656780), (32839, 635040), (35280, 591102), (39690, 525424), (42336, 492585), (45360, 459746), (52920, 394068), (63504, 328390), (65678, 317520), (70560, 295551), (79380, 262712), (90720, 229873), (98517, 211680), (105840, 197034), (127008, 164195), (131356, 158760)]