280371840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:959

約数の個数: 256

約数和(自身を含む): 1066936320

約数和(自身を除く): 786564480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 907, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1814, 1840, 1920, 1932, 2208, 2240, 2415, 2576, 2688, 2721, 2760, 2944, 3220, 3360, 3628, 3680, 3864, 4416, 4480, 4535, 4830, 5152, 5442, 5520, 6349, 6440, 6720, 7256, 7360, 7728, 8832, 9070, 9660, 10304, 10884, 11040, 12698, 12880, 13440, 13605, 14512, 14720, 15456, 18140, 19047, 19320, 20608, 20861, 21768, 22080, 25396, 25760, 27210, 29024, 30912, 31745, 36280, 38094, 38640, 41722, 43536, 44160, 50792, 51520, 54420, 58048, 61824, 62583, 63490, 72560, 76188, 77280, 83444, 87072, 95235, 101584, 103040, 104305, 108840, 116096, 125166, 126980, 145120, 146027, 152376, 154560, 166888, 174144, 190470, 203168, 208610, 217680, 250332, 253960, 290240, 292054, 304752, 309120, 312915, 333776, 348288, 380940, 406336, 417220, 435360, 438081, 500664, 507920, 580480, 584108, 609504, 625830, 667552, 730135, 761880, 812672, 834440, 870720, 876162, 1001328, 1015840, 1168216, 1219008, 1251660, 1335104, 1460270, 1523760, 1668880, 1741440, 1752324, 2002656, 2031680, 2190405, 2336432, 2438016, 2503320, 2670208, 2920540, 3047520, 3337760, 3504648, 4005312, 4063360, 4380810, 4672864, 5006640, 5841080, 6095040, 6675520, 7009296, 8010624, 8761620, 9345728, 10013280, 11682160, 12190080, 13351040, 14018592, 17523240, 18691456, 20026560, 23364320, 28037184, 35046480, 40053120, 46728640, 56074368, 70092960, 93457280, 140185920, 280371840]

約数ペア:

[(1, 280371840), (2, 140185920), (3, 93457280), (4, 70092960), (5, 56074368), (6, 46728640), (7, 40053120), (8, 35046480), (10, 28037184), (12, 23364320), (14, 20026560), (15, 18691456), (16, 17523240), (20, 14018592), (21, 13351040), (23, 12190080), (24, 11682160), (28, 10013280), (30, 9345728), (32, 8761620), (35, 8010624), (40, 7009296), (42, 6675520), (46, 6095040), (48, 5841080), (56, 5006640), (60, 4672864), (64, 4380810), (69, 4063360), (70, 4005312), (80, 3504648), (84, 3337760), (92, 3047520), (96, 2920540), (105, 2670208), (112, 2503320), (115, 2438016), (120, 2336432), (128, 2190405), (138, 2031680), (140, 2002656), (160, 1752324), (161, 1741440), (168, 1668880), (184, 1523760), (192, 1460270), (210, 1335104), (224, 1251660), (230, 1219008), (240, 1168216), (276, 1015840), (280, 1001328), (320, 876162), (322, 870720), (336, 834440), (345, 812672), (368, 761880), (384, 730135), (420, 667552), (448, 625830), (460, 609504), (480, 584108), (483, 580480), (552, 507920), (560, 500664), (640, 438081), (644, 435360), (672, 417220), (690, 406336), (736, 380940), (805, 348288), (840, 333776), (896, 312915), (907, 309120), (920, 304752), (960, 292054), (966, 290240), (1104, 253960), (1120, 250332), (1288, 217680), (1344, 208610), (1380, 203168), (1472, 190470), (1610, 174144), (1680, 166888), (1814, 154560), (1840, 152376), (1920, 146027), (1932, 145120), (2208, 126980), (2240, 125166), (2415, 116096), (2576, 108840), (2688, 104305), (2721, 103040), (2760, 101584), (2944, 95235), (3220, 87072), (3360, 83444), (3628, 77280), (3680, 76188), (3864, 72560), (4416, 63490), (4480, 62583), (4535, 61824), (4830, 58048), (5152, 54420), (5442, 51520), (5520, 50792), (6349, 44160), (6440, 43536), (6720, 41722), (7256, 38640), (7360, 38094), (7728, 36280), (8832, 31745), (9070, 30912), (9660, 29024), (10304, 27210), (10884, 25760), (11040, 25396), (12698, 22080), (12880, 21768), (13440, 20861), (13605, 20608), (14512, 19320), (14720, 19047), (15456, 18140)]