640032192

素因数分解:

$2^6\times 3^4\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:728

約数の個数: 140

約数和(自身を含む): 1908089656

約数和(自身を除く): 1268057464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 331, 373, 432, 576, 648, 662, 746, 864, 993, 1119, 1296, 1324, 1492, 1728, 1986, 2238, 2592, 2648, 2979, 2984, 3357, 3972, 4476, 5184, 5296, 5958, 5968, 6714, 7944, 8937, 8952, 10071, 10592, 11916, 11936, 13428, 15888, 17874, 17904, 20142, 21184, 23832, 23872, 26811, 26856, 30213, 31776, 35748, 35808, 40284, 47664, 53622, 53712, 60426, 63552, 71496, 71616, 80568, 95328, 107244, 107424, 120852, 123463, 142992, 161136, 190656, 214488, 214848, 241704, 246926, 285984, 322272, 370389, 428976, 483408, 493852, 571968, 644544, 740778, 857952, 966816, 987704, 1111167, 1481556, 1715904, 1933632, 1975408, 2222334, 2963112, 3333501, 3950816, 4444668, 5926224, 6667002, 7901632, 8889336, 10000503, 11852448, 13334004, 17778672, 20001006, 23704896, 26668008, 35557344, 40002012, 53336016, 71114688, 80004024, 106672032, 160008048, 213344064, 320016096, 640032192]

約数ペア:

[(1, 640032192), (2, 320016096), (3, 213344064), (4, 160008048), (6, 106672032), (8, 80004024), (9, 71114688), (12, 53336016), (16, 40002012), (18, 35557344), (24, 26668008), (27, 23704896), (32, 20001006), (36, 17778672), (48, 13334004), (54, 11852448), (64, 10000503), (72, 8889336), (81, 7901632), (96, 6667002), (108, 5926224), (144, 4444668), (162, 3950816), (192, 3333501), (216, 2963112), (288, 2222334), (324, 1975408), (331, 1933632), (373, 1715904), (432, 1481556), (576, 1111167), (648, 987704), (662, 966816), (746, 857952), (864, 740778), (993, 644544), (1119, 571968), (1296, 493852), (1324, 483408), (1492, 428976), (1728, 370389), (1986, 322272), (2238, 285984), (2592, 246926), (2648, 241704), (2979, 214848), (2984, 214488), (3357, 190656), (3972, 161136), (4476, 142992), (5184, 123463), (5296, 120852), (5958, 107424), (5968, 107244), (6714, 95328), (7944, 80568), (8937, 71616), (8952, 71496), (10071, 63552), (10592, 60426), (11916, 53712), (11936, 53622), (13428, 47664), (15888, 40284), (17874, 35808), (17904, 35748), (20142, 31776), (21184, 30213), (23832, 26856), (23872, 26811)]