2161771920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{38993}}^1$

素因数の和:39030

約数の個数: 240

約数和(自身を含む): 9051599232

約数和(自身を除く): 6889827312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 9240, 11088, 13860, 18480, 27720, 38993, 55440, 77986, 116979, 155972, 194965, 233958, 272951, 311944, 350937, 389930, 428923, 467916, 545902, 584895, 623888, 701874, 779860, 818853, 857846, 935832, 1091804, 1169790, 1286769, 1364755, 1403748, 1559720, 1637706, 1715692, 1754685, 1871664, 2144615, 2183608, 2339580, 2456559, 2573538, 2729510, 2807496, 3002461, 3119440, 3275412, 3431384, 3509370, 3860307, 4094265, 4289230, 4367216, 4679160, 4913118, 5147076, 5459020, 5614992, 6004922, 6433845, 6550824, 6862768, 7018740, 7720614, 8188530, 8578460, 9007383, 9358320, 9826236, 10294152, 10918040, 12009844, 12282795, 12867690, 13101648, 14037480, 15012305, 15441228, 16377060, 17156920, 18014766, 19301535, 19652472, 20588304, 21836080, 24019688, 24565590, 25735380, 27022149, 28074960, 30024610, 30882456, 32754120, 34313840, 36029532, 38603070, 39304944, 45036915, 48039376, 49131180, 51470760, 54044298, 60049220, 61764912, 65508240, 72059064, 77206140, 90073830, 98262360, 102941520, 108088596, 120098440, 135110745, 144118128, 154412280, 180147660, 196524720, 216177192, 240196880, 270221490, 308824560, 360295320, 432354384, 540442980, 720590640, 1080885960, 2161771920]

約数ペア:

[(1, 2161771920), (2, 1080885960), (3, 720590640), (4, 540442980), (5, 432354384), (6, 360295320), (7, 308824560), (8, 270221490), (9, 240196880), (10, 216177192), (11, 196524720), (12, 180147660), (14, 154412280), (15, 144118128), (16, 135110745), (18, 120098440), (20, 108088596), (21, 102941520), (22, 98262360), (24, 90073830), (28, 77206140), (30, 72059064), (33, 65508240), (35, 61764912), (36, 60049220), (40, 54044298), (42, 51470760), (44, 49131180), (45, 48039376), (48, 45036915), (55, 39304944), (56, 38603070), (60, 36029532), (63, 34313840), (66, 32754120), (70, 30882456), (72, 30024610), (77, 28074960), (80, 27022149), (84, 25735380), (88, 24565590), (90, 24019688), (99, 21836080), (105, 20588304), (110, 19652472), (112, 19301535), (120, 18014766), (126, 17156920), (132, 16377060), (140, 15441228), (144, 15012305), (154, 14037480), (165, 13101648), (168, 12867690), (176, 12282795), (180, 12009844), (198, 10918040), (210, 10294152), (220, 9826236), (231, 9358320), (240, 9007383), (252, 8578460), (264, 8188530), (280, 7720614), (308, 7018740), (315, 6862768), (330, 6550824), (336, 6433845), (360, 6004922), (385, 5614992), (396, 5459020), (420, 5147076), (440, 4913118), (462, 4679160), (495, 4367216), (504, 4289230), (528, 4094265), (560, 3860307), (616, 3509370), (630, 3431384), (660, 3275412), (693, 3119440), (720, 3002461), (770, 2807496), (792, 2729510), (840, 2573538), (880, 2456559), (924, 2339580), (990, 2183608), (1008, 2144615), (1155, 1871664), (1232, 1754685), (1260, 1715692), (1320, 1637706), (1386, 1559720), (1540, 1403748), (1584, 1364755), (1680, 1286769), (1848, 1169790), (1980, 1091804), (2310, 935832), (2520, 857846), (2640, 818853), (2772, 779860), (3080, 701874), (3465, 623888), (3696, 584895), (3960, 545902), (4620, 467916), (5040, 428923), (5544, 389930), (6160, 350937), (6930, 311944), (7920, 272951), (9240, 233958), (11088, 194965), (13860, 155972), (18480, 116979), (27720, 77986), (38993, 55440)]