257739840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1346

約数の個数: 224

約数和(自身を含む): 949512960

約数和(自身を除く): 691773120

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, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 414, 432, 460, 480, 540, 552, 576, 621, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1242, 1297, 1380, 1440, 1472, 1656, 1728, 1840, 2070, 2160, 2208, 2484, 2594, 2760, 2880, 3105, 3312, 3680, 3891, 4140, 4320, 4416, 4968, 5188, 5520, 6210, 6485, 6624, 7360, 7782, 8280, 8640, 9936, 10376, 11040, 11673, 12420, 12970, 13248, 15564, 16560, 19455, 19872, 20752, 22080, 23346, 24840, 25940, 29831, 31128, 33120, 35019, 38910, 39744, 41504, 46692, 49680, 51880, 58365, 59662, 62256, 66240, 70038, 77820, 83008, 89493, 93384, 99360, 103760, 116730, 119324, 124512, 140076, 149155, 155640, 175095, 178986, 186768, 198720, 207520, 233460, 238648, 249024, 268479, 280152, 298310, 311280, 350190, 357972, 373536, 415040, 447465, 466920, 477296, 536958, 560304, 596620, 622560, 700380, 715944, 747072, 805437, 894930, 933840, 954592, 1073916, 1120608, 1193240, 1245120, 1342395, 1400760, 1431888, 1610874, 1789860, 1867680, 1909184, 2147832, 2241216, 2386480, 2684790, 2801520, 2863776, 3221748, 3579720, 3735360, 4027185, 4295664, 4772960, 5369580, 5603040, 5727552, 6443496, 7159440, 8054370, 8591328, 9545920, 10739160, 11206080, 12886992, 14318880, 16108740, 17182656, 21478320, 25773984, 28637760, 32217480, 42956640, 51547968, 64434960, 85913280, 128869920, 257739840]

約数ペア:

[(1, 257739840), (2, 128869920), (3, 85913280), (4, 64434960), (5, 51547968), (6, 42956640), (8, 32217480), (9, 28637760), (10, 25773984), (12, 21478320), (15, 17182656), (16, 16108740), (18, 14318880), (20, 12886992), (23, 11206080), (24, 10739160), (27, 9545920), (30, 8591328), (32, 8054370), (36, 7159440), (40, 6443496), (45, 5727552), (46, 5603040), (48, 5369580), (54, 4772960), (60, 4295664), (64, 4027185), (69, 3735360), (72, 3579720), (80, 3221748), (90, 2863776), (92, 2801520), (96, 2684790), (108, 2386480), (115, 2241216), (120, 2147832), (135, 1909184), (138, 1867680), (144, 1789860), (160, 1610874), (180, 1431888), (184, 1400760), (192, 1342395), (207, 1245120), (216, 1193240), (230, 1120608), (240, 1073916), (270, 954592), (276, 933840), (288, 894930), (320, 805437), (345, 747072), (360, 715944), (368, 700380), (414, 622560), (432, 596620), (460, 560304), (480, 536958), (540, 477296), (552, 466920), (576, 447465), (621, 415040), (690, 373536), (720, 357972), (736, 350190), (828, 311280), (864, 298310), (920, 280152), (960, 268479), (1035, 249024), (1080, 238648), (1104, 233460), (1242, 207520), (1297, 198720), (1380, 186768), (1440, 178986), (1472, 175095), (1656, 155640), (1728, 149155), (1840, 140076), (2070, 124512), (2160, 119324), (2208, 116730), (2484, 103760), (2594, 99360), (2760, 93384), (2880, 89493), (3105, 83008), (3312, 77820), (3680, 70038), (3891, 66240), (4140, 62256), (4320, 59662), (4416, 58365), (4968, 51880), (5188, 49680), (5520, 46692), (6210, 41504), (6485, 39744), (6624, 38910), (7360, 35019), (7782, 33120), (8280, 31128), (8640, 29831), (9936, 25940), (10376, 24840), (11040, 23346), (11673, 22080), (12420, 20752), (12970, 19872), (13248, 19455), (15564, 16560)]