257440896

素因数分解:

$2^7\times 3^3\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 766142400

約数和(自身を除く): 508701504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 163, 192, 216, 288, 326, 384, 432, 457, 489, 576, 652, 864, 914, 978, 1152, 1304, 1371, 1467, 1728, 1828, 1956, 2608, 2742, 2934, 3456, 3656, 3912, 4113, 4401, 5216, 5484, 5868, 7312, 7824, 8226, 8802, 10432, 10968, 11736, 12339, 14624, 15648, 16452, 17604, 20864, 21936, 23472, 24678, 29248, 31296, 32904, 35208, 43872, 46944, 49356, 58496, 62592, 65808, 70416, 74491, 87744, 93888, 98712, 131616, 140832, 148982, 175488, 187776, 197424, 223473, 263232, 281664, 297964, 394848, 446946, 526464, 563328, 595928, 670419, 789696, 893892, 1191856, 1340838, 1579392, 1787784, 2011257, 2383712, 2681676, 3575568, 4022514, 4767424, 5363352, 7151136, 8045028, 9534848, 10726704, 14302272, 16090056, 21453408, 28604544, 32180112, 42906816, 64360224, 85813632, 128720448, 257440896]

約数ペア:

[(1, 257440896), (2, 128720448), (3, 85813632), (4, 64360224), (6, 42906816), (8, 32180112), (9, 28604544), (12, 21453408), (16, 16090056), (18, 14302272), (24, 10726704), (27, 9534848), (32, 8045028), (36, 7151136), (48, 5363352), (54, 4767424), (64, 4022514), (72, 3575568), (96, 2681676), (108, 2383712), (128, 2011257), (144, 1787784), (163, 1579392), (192, 1340838), (216, 1191856), (288, 893892), (326, 789696), (384, 670419), (432, 595928), (457, 563328), (489, 526464), (576, 446946), (652, 394848), (864, 297964), (914, 281664), (978, 263232), (1152, 223473), (1304, 197424), (1371, 187776), (1467, 175488), (1728, 148982), (1828, 140832), (1956, 131616), (2608, 98712), (2742, 93888), (2934, 87744), (3456, 74491), (3656, 70416), (3912, 65808), (4113, 62592), (4401, 58496), (5216, 49356), (5484, 46944), (5868, 43872), (7312, 35208), (7824, 32904), (8226, 31296), (8802, 29248), (10432, 24678), (10968, 23472), (11736, 21936), (12339, 20864), (14624, 17604), (15648, 16452)]