256467456

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{7951}}^1$

素因数の和:7982

約数の個数: 120

約数和(自身を含む): 846029184

約数和(自身を除く): 589561728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 7951, 8064, 10752, 15902, 16128, 23853, 31804, 32256, 47706, 55657, 63608, 71559, 95412, 111314, 127216, 143118, 166971, 190824, 222628, 254432, 286236, 333942, 381648, 445256, 500913, 508864, 572472, 667884, 763296, 890512, 1001826, 1017728, 1144944, 1335768, 1526592, 1781024, 2003652, 2035456, 2289888, 2671536, 3053184, 3562048, 4007304, 4070912, 4579776, 5343072, 6106368, 7124096, 8014608, 9159552, 10686144, 12212736, 14248192, 16029216, 18319104, 21372288, 28496384, 32058432, 36638208, 42744576, 64116864, 85489152, 128233728, 256467456]

約数ペア:

[(1, 256467456), (2, 128233728), (3, 85489152), (4, 64116864), (6, 42744576), (7, 36638208), (8, 32058432), (9, 28496384), (12, 21372288), (14, 18319104), (16, 16029216), (18, 14248192), (21, 12212736), (24, 10686144), (28, 9159552), (32, 8014608), (36, 7124096), (42, 6106368), (48, 5343072), (56, 4579776), (63, 4070912), (64, 4007304), (72, 3562048), (84, 3053184), (96, 2671536), (112, 2289888), (126, 2035456), (128, 2003652), (144, 1781024), (168, 1526592), (192, 1335768), (224, 1144944), (252, 1017728), (256, 1001826), (288, 890512), (336, 763296), (384, 667884), (448, 572472), (504, 508864), (512, 500913), (576, 445256), (672, 381648), (768, 333942), (896, 286236), (1008, 254432), (1152, 222628), (1344, 190824), (1536, 166971), (1792, 143118), (2016, 127216), (2304, 111314), (2688, 95412), (3584, 71559), (4032, 63608), (4608, 55657), (5376, 47706), (7951, 32256), (8064, 31804), (10752, 23853), (15902, 16128)]