20848013280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69941}}^1$

素因数の和:69991

約数の個数: 240

約数和(自身を含む): 76776172704

約数和(自身を除く): 55928159424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 621, 648, 690, 720, 736, 810, 828, 864, 920, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1620, 1656, 1840, 1863, 2070, 2160, 2208, 2484, 2592, 2760, 3105, 3240, 3312, 3680, 3726, 4140, 4320, 4968, 5520, 6210, 6480, 6624, 7452, 8280, 9315, 9936, 11040, 12420, 12960, 14904, 16560, 18630, 19872, 24840, 29808, 33120, 37260, 49680, 59616, 69941, 74520, 99360, 139882, 149040, 209823, 279764, 298080, 349705, 419646, 559528, 629469, 699410, 839292, 1049115, 1119056, 1258938, 1398820, 1608643, 1678584, 1888407, 2098230, 2238112, 2517876, 2797640, 3147345, 3217286, 3357168, 3776814, 4196460, 4825929, 5035752, 5595280, 5665221, 6294690, 6434572, 6714336, 7553628, 8043215, 8392920, 9442035, 9651858, 10071504, 11190560, 11330442, 12589380, 12869144, 14477787, 15107256, 16086430, 16785840, 18884070, 19303716, 20143008, 22660884, 24129645, 25178760, 25738288, 28326105, 28955574, 30214512, 32172860, 33571680, 37768140, 38607432, 43433361, 45321768, 48259290, 50357520, 51476576, 56652210, 57911148, 60429024, 64345720, 72388935, 75536280, 77214864, 86866722, 90643536, 96518580, 100715040, 113304420, 115822296, 128691440, 130300083, 144777870, 151072560, 154429728, 173733444, 181287072, 193037160, 217166805, 226608840, 231644592, 257382880, 260600166, 289555740, 302145120, 347466888, 386074320, 434333610, 453217680, 463289184, 521200332, 579111480, 651500415, 694933776, 772148640, 868667220, 906435360, 1042400664, 1158222960, 1303000830, 1389867552, 1737334440, 2084801328, 2316445920, 2606001660, 3474668880, 4169602656, 5212003320, 6949337760, 10424006640, 20848013280]

約数ペア:

[(1, 20848013280), (2, 10424006640), (3, 6949337760), (4, 5212003320), (5, 4169602656), (6, 3474668880), (8, 2606001660), (9, 2316445920), (10, 2084801328), (12, 1737334440), (15, 1389867552), (16, 1303000830), (18, 1158222960), (20, 1042400664), (23, 906435360), (24, 868667220), (27, 772148640), (30, 694933776), (32, 651500415), (36, 579111480), (40, 521200332), (45, 463289184), (46, 453217680), (48, 434333610), (54, 386074320), (60, 347466888), (69, 302145120), (72, 289555740), (80, 260600166), (81, 257382880), (90, 231644592), (92, 226608840), (96, 217166805), (108, 193037160), (115, 181287072), (120, 173733444), (135, 154429728), (138, 151072560), (144, 144777870), (160, 130300083), (162, 128691440), (180, 115822296), (184, 113304420), (207, 100715040), (216, 96518580), (230, 90643536), (240, 86866722), (270, 77214864), (276, 75536280), (288, 72388935), (324, 64345720), (345, 60429024), (360, 57911148), (368, 56652210), (405, 51476576), (414, 50357520), (432, 48259290), (460, 45321768), (480, 43433361), (540, 38607432), (552, 37768140), (621, 33571680), (648, 32172860), (690, 30214512), (720, 28955574), (736, 28326105), (810, 25738288), (828, 25178760), (864, 24129645), (920, 22660884), (1035, 20143008), (1080, 19303716), (1104, 18884070), (1242, 16785840), (1296, 16086430), (1380, 15107256), (1440, 14477787), (1620, 12869144), (1656, 12589380), (1840, 11330442), (1863, 11190560), (2070, 10071504), (2160, 9651858), (2208, 9442035), (2484, 8392920), (2592, 8043215), (2760, 7553628), (3105, 6714336), (3240, 6434572), (3312, 6294690), (3680, 5665221), (3726, 5595280), (4140, 5035752), (4320, 4825929), (4968, 4196460), (5520, 3776814), (6210, 3357168), (6480, 3217286), (6624, 3147345), (7452, 2797640), (8280, 2517876), (9315, 2238112), (9936, 2098230), (11040, 1888407), (12420, 1678584), (12960, 1608643), (14904, 1398820), (16560, 1258938), (18630, 1119056), (19872, 1049115), (24840, 839292), (29808, 699410), (33120, 629469), (37260, 559528), (49680, 419646), (59616, 349705), (69941, 298080), (74520, 279764), (99360, 209823), (139882, 149040)]