278737920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 264

約数和(自身を含む): 1011643776

約数和(自身を除く): 732905856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 263, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 526, 552, 576, 640, 690, 720, 736, 768, 789, 828, 920, 960, 1024, 1035, 1052, 1104, 1152, 1280, 1315, 1380, 1440, 1472, 1536, 1578, 1656, 1840, 1920, 2070, 2104, 2208, 2304, 2367, 2560, 2630, 2760, 2880, 2944, 3072, 3156, 3312, 3680, 3840, 3945, 4140, 4208, 4416, 4608, 4734, 5120, 5260, 5520, 5760, 5888, 6049, 6312, 6624, 7360, 7680, 7890, 8280, 8416, 8832, 9216, 9468, 10520, 11040, 11520, 11776, 11835, 12098, 12624, 13248, 14720, 15360, 15780, 16560, 16832, 17664, 18147, 18936, 21040, 22080, 23040, 23552, 23670, 24196, 25248, 26496, 29440, 30245, 31560, 33120, 33664, 35328, 36294, 37872, 42080, 44160, 46080, 47340, 48392, 50496, 52992, 54441, 58880, 60490, 63120, 66240, 67328, 70656, 72588, 75744, 84160, 88320, 90735, 94680, 96784, 100992, 105984, 108882, 117760, 120980, 126240, 132480, 134656, 145176, 151488, 168320, 176640, 181470, 189360, 193568, 201984, 211968, 217764, 241960, 252480, 264960, 269312, 272205, 290352, 302976, 336640, 353280, 362940, 378720, 387136, 403968, 435528, 483920, 504960, 529920, 544410, 580704, 605952, 673280, 725880, 757440, 774272, 807936, 871056, 967840, 1009920, 1059840, 1088820, 1161408, 1211904, 1346560, 1451760, 1514880, 1548544, 1742112, 1935680, 2019840, 2177640, 2322816, 2423808, 2903520, 3029760, 3097088, 3484224, 3871360, 4039680, 4355280, 4645632, 5807040, 6059520, 6194176, 6968448, 7742720, 8710560, 9291264, 11614080, 12119040, 13936896, 15485440, 17421120, 18582528, 23228160, 27873792, 30970880, 34842240, 46456320, 55747584, 69684480, 92912640, 139368960, 278737920]

約数ペア:

[(1, 278737920), (2, 139368960), (3, 92912640), (4, 69684480), (5, 55747584), (6, 46456320), (8, 34842240), (9, 30970880), (10, 27873792), (12, 23228160), (15, 18582528), (16, 17421120), (18, 15485440), (20, 13936896), (23, 12119040), (24, 11614080), (30, 9291264), (32, 8710560), (36, 7742720), (40, 6968448), (45, 6194176), (46, 6059520), (48, 5807040), (60, 4645632), (64, 4355280), (69, 4039680), (72, 3871360), (80, 3484224), (90, 3097088), (92, 3029760), (96, 2903520), (115, 2423808), (120, 2322816), (128, 2177640), (138, 2019840), (144, 1935680), (160, 1742112), (180, 1548544), (184, 1514880), (192, 1451760), (207, 1346560), (230, 1211904), (240, 1161408), (256, 1088820), (263, 1059840), (276, 1009920), (288, 967840), (320, 871056), (345, 807936), (360, 774272), (368, 757440), (384, 725880), (414, 673280), (460, 605952), (480, 580704), (512, 544410), (526, 529920), (552, 504960), (576, 483920), (640, 435528), (690, 403968), (720, 387136), (736, 378720), (768, 362940), (789, 353280), (828, 336640), (920, 302976), (960, 290352), (1024, 272205), (1035, 269312), (1052, 264960), (1104, 252480), (1152, 241960), (1280, 217764), (1315, 211968), (1380, 201984), (1440, 193568), (1472, 189360), (1536, 181470), (1578, 176640), (1656, 168320), (1840, 151488), (1920, 145176), (2070, 134656), (2104, 132480), (2208, 126240), (2304, 120980), (2367, 117760), (2560, 108882), (2630, 105984), (2760, 100992), (2880, 96784), (2944, 94680), (3072, 90735), (3156, 88320), (3312, 84160), (3680, 75744), (3840, 72588), (3945, 70656), (4140, 67328), (4208, 66240), (4416, 63120), (4608, 60490), (4734, 58880), (5120, 54441), (5260, 52992), (5520, 50496), (5760, 48392), (5888, 47340), (6049, 46080), (6312, 44160), (6624, 42080), (7360, 37872), (7680, 36294), (7890, 35328), (8280, 33664), (8416, 33120), (8832, 31560), (9216, 30245), (9468, 29440), (10520, 26496), (11040, 25248), (11520, 24196), (11776, 23670), (11835, 23552), (12098, 23040), (12624, 22080), (13248, 21040), (14720, 18936), (15360, 18147), (15780, 17664), (16560, 16832)]