257447808

素因数分解:

$2^7\times 3^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 224

約数和(自身を含む): 802699200

約数和(自身を除く): 545251392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 89, 93, 96, 108, 124, 128, 144, 162, 178, 186, 192, 216, 243, 248, 267, 279, 288, 324, 356, 372, 384, 432, 486, 496, 534, 558, 576, 648, 712, 729, 744, 801, 837, 864, 972, 992, 1068, 1116, 1152, 1296, 1424, 1458, 1488, 1602, 1674, 1728, 1944, 1984, 2136, 2232, 2403, 2511, 2592, 2759, 2848, 2916, 2976, 3204, 3348, 3456, 3888, 3968, 4272, 4464, 4806, 5022, 5184, 5518, 5696, 5832, 5952, 6408, 6696, 7209, 7533, 7776, 8277, 8544, 8928, 9612, 10044, 10368, 11036, 11392, 11664, 11904, 12816, 13392, 14418, 15066, 15552, 16554, 17088, 17856, 19224, 20088, 21627, 22072, 22599, 23328, 24831, 25632, 26784, 28836, 30132, 31104, 33108, 34176, 35712, 38448, 40176, 43254, 44144, 45198, 46656, 49662, 51264, 53568, 57672, 60264, 64881, 66216, 74493, 76896, 80352, 86508, 88288, 90396, 93312, 99324, 102528, 107136, 115344, 120528, 129762, 132432, 148986, 153792, 160704, 173016, 176576, 180792, 198648, 223479, 230688, 241056, 259524, 264864, 297972, 307584, 321408, 346032, 353152, 361584, 397296, 446958, 461376, 482112, 519048, 529728, 595944, 670437, 692064, 723168, 794592, 893916, 922752, 964224, 1038096, 1059456, 1191888, 1340874, 1384128, 1446336, 1589184, 1787832, 2011311, 2076192, 2383776, 2681748, 2768256, 2892672, 3178368, 3575664, 4022622, 4152384, 4767552, 5363496, 7151328, 8045244, 8304768, 9535104, 10726992, 14302656, 16090488, 21453984, 28605312, 32180976, 42907968, 64361952, 85815936, 128723904, 257447808]

約数ペア:

[(1, 257447808), (2, 128723904), (3, 85815936), (4, 64361952), (6, 42907968), (8, 32180976), (9, 28605312), (12, 21453984), (16, 16090488), (18, 14302656), (24, 10726992), (27, 9535104), (31, 8304768), (32, 8045244), (36, 7151328), (48, 5363496), (54, 4767552), (62, 4152384), (64, 4022622), (72, 3575664), (81, 3178368), (89, 2892672), (93, 2768256), (96, 2681748), (108, 2383776), (124, 2076192), (128, 2011311), (144, 1787832), (162, 1589184), (178, 1446336), (186, 1384128), (192, 1340874), (216, 1191888), (243, 1059456), (248, 1038096), (267, 964224), (279, 922752), (288, 893916), (324, 794592), (356, 723168), (372, 692064), (384, 670437), (432, 595944), (486, 529728), (496, 519048), (534, 482112), (558, 461376), (576, 446958), (648, 397296), (712, 361584), (729, 353152), (744, 346032), (801, 321408), (837, 307584), (864, 297972), (972, 264864), (992, 259524), (1068, 241056), (1116, 230688), (1152, 223479), (1296, 198648), (1424, 180792), (1458, 176576), (1488, 173016), (1602, 160704), (1674, 153792), (1728, 148986), (1944, 132432), (1984, 129762), (2136, 120528), (2232, 115344), (2403, 107136), (2511, 102528), (2592, 99324), (2759, 93312), (2848, 90396), (2916, 88288), (2976, 86508), (3204, 80352), (3348, 76896), (3456, 74493), (3888, 66216), (3968, 64881), (4272, 60264), (4464, 57672), (4806, 53568), (5022, 51264), (5184, 49662), (5518, 46656), (5696, 45198), (5832, 44144), (5952, 43254), (6408, 40176), (6696, 38448), (7209, 35712), (7533, 34176), (7776, 33108), (8277, 31104), (8544, 30132), (8928, 28836), (9612, 26784), (10044, 25632), (10368, 24831), (11036, 23328), (11392, 22599), (11664, 22072), (11904, 21627), (12816, 20088), (13392, 19224), (14418, 17856), (15066, 17088), (15552, 16554)]