8123448320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 264

約数和(自身を含む): 21855278592

約数和(自身を除く): 13731830272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 127, 128, 130, 155, 160, 208, 248, 254, 256, 260, 310, 320, 403, 416, 496, 508, 512, 520, 620, 635, 640, 806, 832, 961, 992, 1016, 1024, 1040, 1240, 1270, 1280, 1612, 1651, 1664, 1922, 1984, 2015, 2032, 2080, 2480, 2540, 2560, 3224, 3302, 3328, 3844, 3937, 3968, 4030, 4064, 4160, 4805, 4960, 5080, 5120, 6448, 6604, 6656, 7688, 7874, 7936, 8060, 8128, 8255, 8320, 9610, 9920, 10160, 12493, 12896, 13208, 13312, 15376, 15748, 15872, 16120, 16256, 16510, 16640, 19220, 19685, 19840, 20320, 24986, 25792, 26416, 30752, 31496, 31744, 32240, 32512, 33020, 33280, 38440, 39370, 39680, 40640, 49972, 51181, 51584, 52832, 61504, 62465, 62992, 64480, 65024, 66040, 66560, 76880, 78740, 79360, 81280, 99944, 102362, 103168, 105664, 122047, 123008, 124930, 125984, 128960, 130048, 132080, 153760, 157480, 158720, 162560, 199888, 204724, 206336, 211328, 244094, 246016, 249860, 251968, 255905, 257920, 264160, 307520, 314960, 325120, 399776, 409448, 412672, 422656, 488188, 492032, 499720, 503936, 511810, 515840, 528320, 610235, 615040, 629920, 650240, 799552, 818896, 845312, 976376, 984064, 999440, 1007872, 1023620, 1031680, 1056640, 1220470, 1230080, 1259840, 1586611, 1599104, 1637792, 1690624, 1952752, 1998880, 2015744, 2047240, 2063360, 2113280, 2440940, 2460160, 2519680, 3173222, 3198208, 3275584, 3905504, 3997760, 4031488, 4094480, 4226560, 4881880, 4920320, 5039360, 6346444, 6396416, 6551168, 7811008, 7933055, 7995520, 8188960, 8453120, 9763760, 10078720, 12692888, 12792832, 13102336, 15622016, 15866110, 15991040, 16377920, 19527520, 20157440, 25385776, 26204672, 31244032, 31732220, 31982080, 32755840, 39055040, 50771552, 52409344, 62488064, 63464440, 63964160, 65511680, 78110080, 101543104, 124976128, 126928880, 131023360, 156220160, 203086208, 253857760, 262046720, 312440320, 406172416, 507715520, 624880640, 812344832, 1015431040, 1624689664, 2030862080, 4061724160, 8123448320]

約数ペア:

[(1, 8123448320), (2, 4061724160), (4, 2030862080), (5, 1624689664), (8, 1015431040), (10, 812344832), (13, 624880640), (16, 507715520), (20, 406172416), (26, 312440320), (31, 262046720), (32, 253857760), (40, 203086208), (52, 156220160), (62, 131023360), (64, 126928880), (65, 124976128), (80, 101543104), (104, 78110080), (124, 65511680), (127, 63964160), (128, 63464440), (130, 62488064), (155, 52409344), (160, 50771552), (208, 39055040), (248, 32755840), (254, 31982080), (256, 31732220), (260, 31244032), (310, 26204672), (320, 25385776), (403, 20157440), (416, 19527520), (496, 16377920), (508, 15991040), (512, 15866110), (520, 15622016), (620, 13102336), (635, 12792832), (640, 12692888), (806, 10078720), (832, 9763760), (961, 8453120), (992, 8188960), (1016, 7995520), (1024, 7933055), (1040, 7811008), (1240, 6551168), (1270, 6396416), (1280, 6346444), (1612, 5039360), (1651, 4920320), (1664, 4881880), (1922, 4226560), (1984, 4094480), (2015, 4031488), (2032, 3997760), (2080, 3905504), (2480, 3275584), (2540, 3198208), (2560, 3173222), (3224, 2519680), (3302, 2460160), (3328, 2440940), (3844, 2113280), (3937, 2063360), (3968, 2047240), (4030, 2015744), (4064, 1998880), (4160, 1952752), (4805, 1690624), (4960, 1637792), (5080, 1599104), (5120, 1586611), (6448, 1259840), (6604, 1230080), (6656, 1220470), (7688, 1056640), (7874, 1031680), (7936, 1023620), (8060, 1007872), (8128, 999440), (8255, 984064), (8320, 976376), (9610, 845312), (9920, 818896), (10160, 799552), (12493, 650240), (12896, 629920), (13208, 615040), (13312, 610235), (15376, 528320), (15748, 515840), (15872, 511810), (16120, 503936), (16256, 499720), (16510, 492032), (16640, 488188), (19220, 422656), (19685, 412672), (19840, 409448), (20320, 399776), (24986, 325120), (25792, 314960), (26416, 307520), (30752, 264160), (31496, 257920), (31744, 255905), (32240, 251968), (32512, 249860), (33020, 246016), (33280, 244094), (38440, 211328), (39370, 206336), (39680, 204724), (40640, 199888), (49972, 162560), (51181, 158720), (51584, 157480), (52832, 153760), (61504, 132080), (62465, 130048), (62992, 128960), (64480, 125984), (65024, 124930), (66040, 123008), (66560, 122047), (76880, 105664), (78740, 103168), (79360, 102362), (81280, 99944)]