320479488

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 216

約数和(自身を含む): 1091790336

約数和(自身を除く): 771310848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 641, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1282, 1302, 1344, 1488, 1736, 1792, 1923, 1953, 1984, 2016, 2232, 2304, 2564, 2604, 2688, 2976, 3472, 3846, 3906, 3968, 4032, 4464, 4487, 5128, 5208, 5376, 5769, 5952, 6944, 7692, 7812, 7936, 8064, 8928, 8974, 10256, 10416, 11538, 11904, 13461, 13888, 15384, 15624, 16128, 17856, 17948, 19871, 20512, 20832, 23076, 23808, 26922, 27776, 30768, 31248, 35712, 35896, 39742, 40383, 41024, 41664, 46152, 53844, 55552, 59613, 61536, 62496, 71424, 71792, 79484, 80766, 82048, 83328, 92304, 107688, 119226, 123072, 124992, 139097, 143584, 158968, 161532, 164096, 166656, 178839, 184608, 215376, 238452, 246144, 249984, 278194, 287168, 317936, 323064, 357678, 369216, 417291, 430752, 476904, 492288, 499968, 556388, 574336, 635872, 646128, 715356, 738432, 834582, 861504, 953808, 1112776, 1148672, 1251873, 1271744, 1292256, 1430712, 1476864, 1669164, 1723008, 1907616, 2225552, 2503746, 2543488, 2584512, 2861424, 3338328, 3446016, 3815232, 4451104, 5007492, 5086976, 5169024, 5722848, 6676656, 7630464, 8902208, 10014984, 10338048, 11445696, 13353312, 15260928, 17804416, 20029968, 22891392, 26706624, 35608832, 40059936, 45782784, 53413248, 80119872, 106826496, 160239744, 320479488]

約数ペア:

[(1, 320479488), (2, 160239744), (3, 106826496), (4, 80119872), (6, 53413248), (7, 45782784), (8, 40059936), (9, 35608832), (12, 26706624), (14, 22891392), (16, 20029968), (18, 17804416), (21, 15260928), (24, 13353312), (28, 11445696), (31, 10338048), (32, 10014984), (36, 8902208), (42, 7630464), (48, 6676656), (56, 5722848), (62, 5169024), (63, 5086976), (64, 5007492), (72, 4451104), (84, 3815232), (93, 3446016), (96, 3338328), (112, 2861424), (124, 2584512), (126, 2543488), (128, 2503746), (144, 2225552), (168, 1907616), (186, 1723008), (192, 1669164), (217, 1476864), (224, 1430712), (248, 1292256), (252, 1271744), (256, 1251873), (279, 1148672), (288, 1112776), (336, 953808), (372, 861504), (384, 834582), (434, 738432), (448, 715356), (496, 646128), (504, 635872), (558, 574336), (576, 556388), (641, 499968), (651, 492288), (672, 476904), (744, 430752), (768, 417291), (868, 369216), (896, 357678), (992, 323064), (1008, 317936), (1116, 287168), (1152, 278194), (1282, 249984), (1302, 246144), (1344, 238452), (1488, 215376), (1736, 184608), (1792, 178839), (1923, 166656), (1953, 164096), (1984, 161532), (2016, 158968), (2232, 143584), (2304, 139097), (2564, 124992), (2604, 123072), (2688, 119226), (2976, 107688), (3472, 92304), (3846, 83328), (3906, 82048), (3968, 80766), (4032, 79484), (4464, 71792), (4487, 71424), (5128, 62496), (5208, 61536), (5376, 59613), (5769, 55552), (5952, 53844), (6944, 46152), (7692, 41664), (7812, 41024), (7936, 40383), (8064, 39742), (8928, 35896), (8974, 35712), (10256, 31248), (10416, 30768), (11538, 27776), (11904, 26922), (13461, 23808), (13888, 23076), (15384, 20832), (15624, 20512), (16128, 19871), (17856, 17948)]