28702080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 256

約数和(自身を含む): 111628800

約数和(自身を除く): 82926720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 151, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 302, 320, 330, 352, 360, 384, 396, 432, 440, 453, 480, 495, 528, 540, 576, 594, 604, 640, 660, 704, 720, 755, 792, 864, 880, 906, 960, 990, 1056, 1080, 1152, 1188, 1208, 1320, 1359, 1408, 1440, 1485, 1510, 1584, 1661, 1728, 1760, 1812, 1920, 1980, 2112, 2160, 2265, 2376, 2416, 2640, 2718, 2880, 2970, 3020, 3168, 3322, 3456, 3520, 3624, 3960, 4077, 4224, 4320, 4530, 4752, 4832, 4983, 5280, 5436, 5760, 5940, 6040, 6336, 6644, 6795, 7040, 7248, 7920, 8154, 8305, 8640, 9060, 9504, 9664, 9966, 10560, 10872, 11880, 12080, 12672, 13288, 13590, 14496, 14949, 15840, 16308, 16610, 17280, 18120, 19008, 19328, 19932, 20385, 21120, 21744, 23760, 24160, 24915, 26576, 27180, 28992, 29898, 31680, 32616, 33220, 36240, 38016, 39864, 40770, 43488, 44847, 47520, 48320, 49830, 53152, 54360, 57984, 59796, 63360, 65232, 66440, 72480, 74745, 79728, 81540, 86976, 89694, 95040, 96640, 99660, 106304, 108720, 119592, 130464, 132880, 144960, 149490, 159456, 163080, 173952, 179388, 190080, 199320, 212608, 217440, 224235, 239184, 260928, 265760, 289920, 298980, 318912, 326160, 358776, 398640, 434880, 448470, 478368, 521856, 531520, 597960, 637824, 652320, 717552, 797280, 869760, 896940, 956736, 1063040, 1195920, 1304640, 1435104, 1594560, 1793880, 1913472, 2391840, 2609280, 2870208, 3189120, 3587760, 4783680, 5740416, 7175520, 9567360, 14351040, 28702080]

約数ペア:

[(1, 28702080), (2, 14351040), (3, 9567360), (4, 7175520), (5, 5740416), (6, 4783680), (8, 3587760), (9, 3189120), (10, 2870208), (11, 2609280), (12, 2391840), (15, 1913472), (16, 1793880), (18, 1594560), (20, 1435104), (22, 1304640), (24, 1195920), (27, 1063040), (30, 956736), (32, 896940), (33, 869760), (36, 797280), (40, 717552), (44, 652320), (45, 637824), (48, 597960), (54, 531520), (55, 521856), (60, 478368), (64, 448470), (66, 434880), (72, 398640), (80, 358776), (88, 326160), (90, 318912), (96, 298980), (99, 289920), (108, 265760), (110, 260928), (120, 239184), (128, 224235), (132, 217440), (135, 212608), (144, 199320), (151, 190080), (160, 179388), (165, 173952), (176, 163080), (180, 159456), (192, 149490), (198, 144960), (216, 132880), (220, 130464), (240, 119592), (264, 108720), (270, 106304), (288, 99660), (297, 96640), (302, 95040), (320, 89694), (330, 86976), (352, 81540), (360, 79728), (384, 74745), (396, 72480), (432, 66440), (440, 65232), (453, 63360), (480, 59796), (495, 57984), (528, 54360), (540, 53152), (576, 49830), (594, 48320), (604, 47520), (640, 44847), (660, 43488), (704, 40770), (720, 39864), (755, 38016), (792, 36240), (864, 33220), (880, 32616), (906, 31680), (960, 29898), (990, 28992), (1056, 27180), (1080, 26576), (1152, 24915), (1188, 24160), (1208, 23760), (1320, 21744), (1359, 21120), (1408, 20385), (1440, 19932), (1485, 19328), (1510, 19008), (1584, 18120), (1661, 17280), (1728, 16610), (1760, 16308), (1812, 15840), (1920, 14949), (1980, 14496), (2112, 13590), (2160, 13288), (2265, 12672), (2376, 12080), (2416, 11880), (2640, 10872), (2718, 10560), (2880, 9966), (2970, 9664), (3020, 9504), (3168, 9060), (3322, 8640), (3456, 8305), (3520, 8154), (3624, 7920), (3960, 7248), (4077, 7040), (4224, 6795), (4320, 6644), (4530, 6336), (4752, 6040), (4832, 5940), (4983, 5760), (5280, 5436)]