28987728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 101326848

約数和(自身を除く): 72339120

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 23, 24, 28, 31, 33, 42, 44, 46, 48, 56, 62, 66, 69, 77, 84, 88, 92, 93, 112, 121, 124, 132, 138, 154, 161, 168, 176, 184, 186, 217, 231, 242, 248, 253, 264, 276, 308, 322, 336, 341, 363, 368, 372, 434, 462, 483, 484, 496, 506, 528, 552, 616, 644, 651, 682, 713, 726, 744, 759, 847, 868, 924, 966, 968, 1012, 1023, 1104, 1232, 1288, 1302, 1364, 1426, 1452, 1488, 1518, 1694, 1736, 1771, 1848, 1932, 1936, 2024, 2046, 2139, 2387, 2541, 2576, 2604, 2728, 2783, 2852, 2904, 3036, 3388, 3472, 3542, 3696, 3751, 3864, 4048, 4092, 4278, 4774, 4991, 5082, 5208, 5313, 5456, 5566, 5704, 5808, 6072, 6776, 7084, 7161, 7502, 7728, 7843, 8184, 8349, 8556, 9548, 9982, 10164, 10416, 10626, 11132, 11253, 11408, 12144, 13552, 14168, 14322, 14973, 15004, 15686, 16368, 16698, 17112, 19096, 19481, 19964, 20328, 21252, 22264, 22506, 23529, 26257, 28336, 28644, 29946, 30008, 31372, 33396, 34224, 38192, 38962, 39928, 40656, 42504, 44528, 45012, 47058, 52514, 54901, 57288, 58443, 59892, 60016, 62744, 66792, 77924, 78771, 79856, 85008, 86273, 90024, 94116, 105028, 109802, 114576, 116886, 119784, 125488, 133584, 155848, 157542, 164703, 172546, 180048, 188232, 210056, 219604, 233772, 239568, 258819, 311696, 315084, 329406, 345092, 376464, 420112, 439208, 467544, 517638, 603911, 630168, 658812, 690184, 878416, 935088, 1035276, 1207822, 1260336, 1317624, 1380368, 1811733, 2070552, 2415644, 2635248, 3623466, 4141104, 4831288, 7246932, 9662576, 14493864, 28987728]

約数ペア:

[(1, 28987728), (2, 14493864), (3, 9662576), (4, 7246932), (6, 4831288), (7, 4141104), (8, 3623466), (11, 2635248), (12, 2415644), (14, 2070552), (16, 1811733), (21, 1380368), (22, 1317624), (23, 1260336), (24, 1207822), (28, 1035276), (31, 935088), (33, 878416), (42, 690184), (44, 658812), (46, 630168), (48, 603911), (56, 517638), (62, 467544), (66, 439208), (69, 420112), (77, 376464), (84, 345092), (88, 329406), (92, 315084), (93, 311696), (112, 258819), (121, 239568), (124, 233772), (132, 219604), (138, 210056), (154, 188232), (161, 180048), (168, 172546), (176, 164703), (184, 157542), (186, 155848), (217, 133584), (231, 125488), (242, 119784), (248, 116886), (253, 114576), (264, 109802), (276, 105028), (308, 94116), (322, 90024), (336, 86273), (341, 85008), (363, 79856), (368, 78771), (372, 77924), (434, 66792), (462, 62744), (483, 60016), (484, 59892), (496, 58443), (506, 57288), (528, 54901), (552, 52514), (616, 47058), (644, 45012), (651, 44528), (682, 42504), (713, 40656), (726, 39928), (744, 38962), (759, 38192), (847, 34224), (868, 33396), (924, 31372), (966, 30008), (968, 29946), (1012, 28644), (1023, 28336), (1104, 26257), (1232, 23529), (1288, 22506), (1302, 22264), (1364, 21252), (1426, 20328), (1452, 19964), (1488, 19481), (1518, 19096), (1694, 17112), (1736, 16698), (1771, 16368), (1848, 15686), (1932, 15004), (1936, 14973), (2024, 14322), (2046, 14168), (2139, 13552), (2387, 12144), (2541, 11408), (2576, 11253), (2604, 11132), (2728, 10626), (2783, 10416), (2852, 10164), (2904, 9982), (3036, 9548), (3388, 8556), (3472, 8349), (3542, 8184), (3696, 7843), (3751, 7728), (3864, 7502), (4048, 7161), (4092, 7084), (4278, 6776), (4774, 6072), (4991, 5808), (5082, 5704), (5208, 5566), (5313, 5456)]