256935168

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 860932800

約数和(自身を除く): 603997632

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, 89, 96, 112, 126, 128, 144, 168, 178, 179, 192, 224, 252, 256, 267, 288, 336, 356, 358, 384, 448, 504, 534, 537, 576, 623, 672, 712, 716, 768, 801, 896, 1008, 1068, 1074, 1152, 1246, 1253, 1344, 1424, 1432, 1602, 1611, 1792, 1869, 2016, 2136, 2148, 2304, 2492, 2506, 2688, 2848, 2864, 3204, 3222, 3738, 3759, 4032, 4272, 4296, 4984, 5012, 5376, 5607, 5696, 5728, 6408, 6444, 7476, 7518, 8064, 8544, 8592, 9968, 10024, 11214, 11277, 11392, 11456, 12816, 12888, 14952, 15036, 15931, 16128, 17088, 17184, 19936, 20048, 22428, 22554, 22784, 22912, 25632, 25776, 29904, 30072, 31862, 34176, 34368, 39872, 40096, 44856, 45108, 45824, 47793, 51264, 51552, 59808, 60144, 63724, 68352, 68736, 79744, 80192, 89712, 90216, 95586, 102528, 103104, 111517, 119616, 120288, 127448, 137472, 143379, 159488, 160384, 179424, 180432, 191172, 205056, 206208, 223034, 239232, 240576, 254896, 286758, 320768, 334551, 358848, 360864, 382344, 412416, 446068, 478464, 481152, 509792, 573516, 669102, 717696, 721728, 764688, 892136, 962304, 1003653, 1019584, 1147032, 1338204, 1435392, 1443456, 1529376, 1784272, 2007306, 2039168, 2294064, 2676408, 2886912, 3058752, 3568544, 4014612, 4078336, 4588128, 5352816, 6117504, 7137088, 8029224, 9176256, 10705632, 12235008, 14274176, 16058448, 18352512, 21411264, 28548352, 32116896, 36705024, 42822528, 64233792, 85645056, 128467584, 256935168]

約数ペア:

[(1, 256935168), (2, 128467584), (3, 85645056), (4, 64233792), (6, 42822528), (7, 36705024), (8, 32116896), (9, 28548352), (12, 21411264), (14, 18352512), (16, 16058448), (18, 14274176), (21, 12235008), (24, 10705632), (28, 9176256), (32, 8029224), (36, 7137088), (42, 6117504), (48, 5352816), (56, 4588128), (63, 4078336), (64, 4014612), (72, 3568544), (84, 3058752), (89, 2886912), (96, 2676408), (112, 2294064), (126, 2039168), (128, 2007306), (144, 1784272), (168, 1529376), (178, 1443456), (179, 1435392), (192, 1338204), (224, 1147032), (252, 1019584), (256, 1003653), (267, 962304), (288, 892136), (336, 764688), (356, 721728), (358, 717696), (384, 669102), (448, 573516), (504, 509792), (534, 481152), (537, 478464), (576, 446068), (623, 412416), (672, 382344), (712, 360864), (716, 358848), (768, 334551), (801, 320768), (896, 286758), (1008, 254896), (1068, 240576), (1074, 239232), (1152, 223034), (1246, 206208), (1253, 205056), (1344, 191172), (1424, 180432), (1432, 179424), (1602, 160384), (1611, 159488), (1792, 143379), (1869, 137472), (2016, 127448), (2136, 120288), (2148, 119616), (2304, 111517), (2492, 103104), (2506, 102528), (2688, 95586), (2848, 90216), (2864, 89712), (3204, 80192), (3222, 79744), (3738, 68736), (3759, 68352), (4032, 63724), (4272, 60144), (4296, 59808), (4984, 51552), (5012, 51264), (5376, 47793), (5607, 45824), (5696, 45108), (5728, 44856), (6408, 40096), (6444, 39872), (7476, 34368), (7518, 34176), (8064, 31862), (8544, 30072), (8592, 29904), (9968, 25776), (10024, 25632), (11214, 22912), (11277, 22784), (11392, 22554), (11456, 22428), (12816, 20048), (12888, 19936), (14952, 17184), (15036, 17088), (15931, 16128)]