81161472

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 255352832

約数和(自身を除く): 174191360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 487, 496, 651, 672, 744, 768, 868, 896, 974, 992, 1302, 1344, 1461, 1488, 1736, 1792, 1948, 1984, 2604, 2688, 2922, 2976, 3409, 3472, 3896, 3968, 5208, 5376, 5844, 5952, 6818, 6944, 7792, 7936, 10227, 10416, 11688, 11904, 13636, 13888, 15097, 15584, 20454, 20832, 23376, 23808, 27272, 27776, 30194, 31168, 40908, 41664, 45291, 46752, 54544, 55552, 60388, 62336, 81816, 83328, 90582, 93504, 105679, 109088, 120776, 124672, 163632, 166656, 181164, 187008, 211358, 218176, 241552, 317037, 327264, 362328, 374016, 422716, 436352, 483104, 634074, 654528, 724656, 845432, 872704, 966208, 1268148, 1309056, 1449312, 1690864, 1932416, 2536296, 2618112, 2898624, 3381728, 3864832, 5072592, 5797248, 6763456, 10145184, 11594496, 13526912, 20290368, 27053824, 40580736, 81161472]

約数ペア:

[(1, 81161472), (2, 40580736), (3, 27053824), (4, 20290368), (6, 13526912), (7, 11594496), (8, 10145184), (12, 6763456), (14, 5797248), (16, 5072592), (21, 3864832), (24, 3381728), (28, 2898624), (31, 2618112), (32, 2536296), (42, 1932416), (48, 1690864), (56, 1449312), (62, 1309056), (64, 1268148), (84, 966208), (93, 872704), (96, 845432), (112, 724656), (124, 654528), (128, 634074), (168, 483104), (186, 436352), (192, 422716), (217, 374016), (224, 362328), (248, 327264), (256, 317037), (336, 241552), (372, 218176), (384, 211358), (434, 187008), (448, 181164), (487, 166656), (496, 163632), (651, 124672), (672, 120776), (744, 109088), (768, 105679), (868, 93504), (896, 90582), (974, 83328), (992, 81816), (1302, 62336), (1344, 60388), (1461, 55552), (1488, 54544), (1736, 46752), (1792, 45291), (1948, 41664), (1984, 40908), (2604, 31168), (2688, 30194), (2922, 27776), (2976, 27272), (3409, 23808), (3472, 23376), (3896, 20832), (3968, 20454), (5208, 15584), (5376, 15097), (5844, 13888), (5952, 13636), (6818, 11904), (6944, 11688), (7792, 10416), (7936, 10227)]