280505280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 224

約数和(自身を含む): 984918528

約数和(自身を除く): 704413248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 101, 110, 120, 132, 160, 165, 176, 192, 202, 220, 240, 263, 264, 303, 320, 330, 352, 404, 440, 480, 505, 526, 528, 606, 660, 704, 789, 808, 880, 960, 1010, 1052, 1056, 1111, 1212, 1315, 1320, 1515, 1578, 1616, 1760, 2020, 2104, 2112, 2222, 2424, 2630, 2640, 2893, 3030, 3156, 3232, 3333, 3520, 3945, 4040, 4208, 4444, 4848, 5260, 5280, 5555, 5786, 6060, 6312, 6464, 6666, 7890, 8080, 8416, 8679, 8888, 9696, 10520, 10560, 11110, 11572, 12120, 12624, 13332, 14465, 15780, 16160, 16665, 16832, 17358, 17776, 19392, 21040, 22220, 23144, 24240, 25248, 26563, 26664, 28930, 31560, 32320, 33330, 34716, 35552, 42080, 43395, 44440, 46288, 48480, 50496, 53126, 53328, 57860, 63120, 66660, 69432, 71104, 79689, 84160, 86790, 88880, 92576, 96960, 106252, 106656, 115720, 126240, 132815, 133320, 138864, 159378, 173580, 177760, 185152, 212504, 213312, 231440, 252480, 265630, 266640, 277728, 292193, 318756, 347160, 355520, 398445, 425008, 462880, 531260, 533280, 555456, 584386, 637512, 694320, 796890, 850016, 876579, 925760, 1062520, 1066560, 1168772, 1275024, 1388640, 1460965, 1593780, 1700032, 1753158, 2125040, 2337544, 2550048, 2777280, 2921930, 3187560, 3506316, 4250080, 4382895, 4675088, 5100096, 5843860, 6375120, 7012632, 8500160, 8765790, 9350176, 11687720, 12750240, 14025264, 17531580, 18700352, 23375440, 25500480, 28050528, 35063160, 46750880, 56101056, 70126320, 93501760, 140252640, 280505280]

約数ペア:

[(1, 280505280), (2, 140252640), (3, 93501760), (4, 70126320), (5, 56101056), (6, 46750880), (8, 35063160), (10, 28050528), (11, 25500480), (12, 23375440), (15, 18700352), (16, 17531580), (20, 14025264), (22, 12750240), (24, 11687720), (30, 9350176), (32, 8765790), (33, 8500160), (40, 7012632), (44, 6375120), (48, 5843860), (55, 5100096), (60, 4675088), (64, 4382895), (66, 4250080), (80, 3506316), (88, 3187560), (96, 2921930), (101, 2777280), (110, 2550048), (120, 2337544), (132, 2125040), (160, 1753158), (165, 1700032), (176, 1593780), (192, 1460965), (202, 1388640), (220, 1275024), (240, 1168772), (263, 1066560), (264, 1062520), (303, 925760), (320, 876579), (330, 850016), (352, 796890), (404, 694320), (440, 637512), (480, 584386), (505, 555456), (526, 533280), (528, 531260), (606, 462880), (660, 425008), (704, 398445), (789, 355520), (808, 347160), (880, 318756), (960, 292193), (1010, 277728), (1052, 266640), (1056, 265630), (1111, 252480), (1212, 231440), (1315, 213312), (1320, 212504), (1515, 185152), (1578, 177760), (1616, 173580), (1760, 159378), (2020, 138864), (2104, 133320), (2112, 132815), (2222, 126240), (2424, 115720), (2630, 106656), (2640, 106252), (2893, 96960), (3030, 92576), (3156, 88880), (3232, 86790), (3333, 84160), (3520, 79689), (3945, 71104), (4040, 69432), (4208, 66660), (4444, 63120), (4848, 57860), (5260, 53328), (5280, 53126), (5555, 50496), (5786, 48480), (6060, 46288), (6312, 44440), (6464, 43395), (6666, 42080), (7890, 35552), (8080, 34716), (8416, 33330), (8679, 32320), (8888, 31560), (9696, 28930), (10520, 26664), (10560, 26563), (11110, 25248), (11572, 24240), (12120, 23144), (12624, 22220), (13332, 21040), (14465, 19392), (15780, 17776), (16160, 17358), (16665, 16832)]