253209984

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 705024000

約数和(自身を除く): 451814016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 89, 93, 96, 124, 128, 178, 186, 192, 239, 248, 267, 356, 372, 384, 478, 496, 534, 712, 717, 744, 956, 992, 1068, 1424, 1434, 1488, 1912, 1984, 2136, 2759, 2848, 2868, 2976, 3824, 3968, 4272, 5518, 5696, 5736, 5952, 7409, 7648, 8277, 8544, 11036, 11392, 11472, 11904, 14818, 15296, 16554, 17088, 21271, 22072, 22227, 22944, 29636, 30592, 33108, 34176, 42542, 44144, 44454, 45888, 59272, 63813, 66216, 85084, 88288, 88908, 91776, 118544, 127626, 132432, 170168, 176576, 177816, 237088, 255252, 264864, 340336, 353152, 355632, 474176, 510504, 529728, 659401, 680672, 711264, 948352, 1021008, 1059456, 1318802, 1361344, 1422528, 1978203, 2042016, 2637604, 2722688, 2845056, 3956406, 4084032, 5275208, 7912812, 8168064, 10550416, 15825624, 21100832, 31651248, 42201664, 63302496, 84403328, 126604992, 253209984]

約数ペア:

[(1, 253209984), (2, 126604992), (3, 84403328), (4, 63302496), (6, 42201664), (8, 31651248), (12, 21100832), (16, 15825624), (24, 10550416), (31, 8168064), (32, 7912812), (48, 5275208), (62, 4084032), (64, 3956406), (89, 2845056), (93, 2722688), (96, 2637604), (124, 2042016), (128, 1978203), (178, 1422528), (186, 1361344), (192, 1318802), (239, 1059456), (248, 1021008), (267, 948352), (356, 711264), (372, 680672), (384, 659401), (478, 529728), (496, 510504), (534, 474176), (712, 355632), (717, 353152), (744, 340336), (956, 264864), (992, 255252), (1068, 237088), (1424, 177816), (1434, 176576), (1488, 170168), (1912, 132432), (1984, 127626), (2136, 118544), (2759, 91776), (2848, 88908), (2868, 88288), (2976, 85084), (3824, 66216), (3968, 63813), (4272, 59272), (5518, 45888), (5696, 44454), (5736, 44144), (5952, 42542), (7409, 34176), (7648, 33108), (8277, 30592), (8544, 29636), (11036, 22944), (11392, 22227), (11472, 22072), (11904, 21271), (14818, 17088), (15296, 16554)]