123235840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 380163168

約数和(自身を除く): 256927328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 208, 224, 230, 256, 260, 280, 299, 320, 322, 364, 368, 416, 448, 455, 460, 512, 520, 529, 560, 598, 640, 644, 728, 736, 805, 832, 896, 910, 920, 1040, 1058, 1120, 1196, 1280, 1288, 1456, 1472, 1495, 1610, 1664, 1792, 1820, 1840, 2080, 2093, 2116, 2240, 2392, 2560, 2576, 2645, 2912, 2944, 2990, 3220, 3328, 3584, 3640, 3680, 3703, 4160, 4186, 4232, 4480, 4784, 5152, 5290, 5824, 5888, 5980, 6440, 6656, 6877, 7280, 7360, 7406, 8320, 8372, 8464, 8960, 9568, 10304, 10465, 10580, 11648, 11776, 11960, 12880, 13754, 14560, 14720, 14812, 16640, 16744, 16928, 17920, 18515, 19136, 20608, 20930, 21160, 23296, 23920, 25760, 27508, 29120, 29440, 29624, 33280, 33488, 33856, 34385, 37030, 38272, 41216, 41860, 42320, 46592, 47840, 48139, 51520, 55016, 58240, 58880, 59248, 66976, 67712, 68770, 74060, 76544, 82432, 83720, 84640, 95680, 96278, 103040, 110032, 116480, 118496, 133952, 135424, 137540, 148120, 153088, 167440, 169280, 191360, 192556, 206080, 220064, 232960, 236992, 240695, 267904, 270848, 275080, 296240, 334880, 338560, 382720, 385112, 412160, 440128, 473984, 481390, 535808, 550160, 592480, 669760, 677120, 765440, 770224, 880256, 947968, 962780, 1071616, 1100320, 1184960, 1339520, 1354240, 1540448, 1760512, 1895936, 1925560, 2200640, 2369920, 2679040, 3080896, 3521024, 3851120, 4401280, 4739840, 5358080, 6161792, 7702240, 8802560, 9479680, 12323584, 15404480, 17605120, 24647168, 30808960, 61617920, 123235840]

約数ペア:

[(1, 123235840), (2, 61617920), (4, 30808960), (5, 24647168), (7, 17605120), (8, 15404480), (10, 12323584), (13, 9479680), (14, 8802560), (16, 7702240), (20, 6161792), (23, 5358080), (26, 4739840), (28, 4401280), (32, 3851120), (35, 3521024), (40, 3080896), (46, 2679040), (52, 2369920), (56, 2200640), (64, 1925560), (65, 1895936), (70, 1760512), (80, 1540448), (91, 1354240), (92, 1339520), (104, 1184960), (112, 1100320), (115, 1071616), (128, 962780), (130, 947968), (140, 880256), (160, 770224), (161, 765440), (182, 677120), (184, 669760), (208, 592480), (224, 550160), (230, 535808), (256, 481390), (260, 473984), (280, 440128), (299, 412160), (320, 385112), (322, 382720), (364, 338560), (368, 334880), (416, 296240), (448, 275080), (455, 270848), (460, 267904), (512, 240695), (520, 236992), (529, 232960), (560, 220064), (598, 206080), (640, 192556), (644, 191360), (728, 169280), (736, 167440), (805, 153088), (832, 148120), (896, 137540), (910, 135424), (920, 133952), (1040, 118496), (1058, 116480), (1120, 110032), (1196, 103040), (1280, 96278), (1288, 95680), (1456, 84640), (1472, 83720), (1495, 82432), (1610, 76544), (1664, 74060), (1792, 68770), (1820, 67712), (1840, 66976), (2080, 59248), (2093, 58880), (2116, 58240), (2240, 55016), (2392, 51520), (2560, 48139), (2576, 47840), (2645, 46592), (2912, 42320), (2944, 41860), (2990, 41216), (3220, 38272), (3328, 37030), (3584, 34385), (3640, 33856), (3680, 33488), (3703, 33280), (4160, 29624), (4186, 29440), (4232, 29120), (4480, 27508), (4784, 25760), (5152, 23920), (5290, 23296), (5824, 21160), (5888, 20930), (5980, 20608), (6440, 19136), (6656, 18515), (6877, 17920), (7280, 16928), (7360, 16744), (7406, 16640), (8320, 14812), (8372, 14720), (8464, 14560), (8960, 13754), (9568, 12880), (10304, 11960), (10465, 11776), (10580, 11648)]