256546416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 160

約数和(自身を含む): 801377280

約数和(自身を除く): 544830864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 89, 92, 112, 138, 161, 168, 178, 184, 267, 276, 322, 336, 356, 368, 373, 483, 534, 552, 623, 644, 712, 746, 966, 1068, 1104, 1119, 1246, 1288, 1424, 1492, 1869, 1932, 2047, 2136, 2238, 2492, 2576, 2611, 2984, 3738, 3864, 4094, 4272, 4476, 4984, 5222, 5968, 6141, 7476, 7728, 7833, 8188, 8579, 8952, 9968, 10444, 12282, 14329, 14952, 15666, 16376, 17158, 17904, 20888, 24564, 25737, 28658, 29904, 31332, 32752, 33197, 34316, 41776, 42987, 49128, 51474, 57316, 60053, 62664, 66394, 68632, 85974, 98256, 99591, 102948, 114632, 120106, 125328, 132788, 137264, 171948, 180159, 199182, 205896, 229264, 232379, 240212, 265576, 343896, 360318, 398364, 411792, 464758, 480424, 531152, 687792, 697137, 720636, 763531, 796728, 929516, 960848, 1394274, 1441272, 1527062, 1593456, 1859032, 2290593, 2788548, 2882544, 3054124, 3718064, 4581186, 5344717, 5577096, 6108248, 9162372, 10689434, 11154192, 12216496, 16034151, 18324744, 21378868, 32068302, 36649488, 42757736, 64136604, 85515472, 128273208, 256546416]

約数ペア:

[(1, 256546416), (2, 128273208), (3, 85515472), (4, 64136604), (6, 42757736), (7, 36649488), (8, 32068302), (12, 21378868), (14, 18324744), (16, 16034151), (21, 12216496), (23, 11154192), (24, 10689434), (28, 9162372), (42, 6108248), (46, 5577096), (48, 5344717), (56, 4581186), (69, 3718064), (84, 3054124), (89, 2882544), (92, 2788548), (112, 2290593), (138, 1859032), (161, 1593456), (168, 1527062), (178, 1441272), (184, 1394274), (267, 960848), (276, 929516), (322, 796728), (336, 763531), (356, 720636), (368, 697137), (373, 687792), (483, 531152), (534, 480424), (552, 464758), (623, 411792), (644, 398364), (712, 360318), (746, 343896), (966, 265576), (1068, 240212), (1104, 232379), (1119, 229264), (1246, 205896), (1288, 199182), (1424, 180159), (1492, 171948), (1869, 137264), (1932, 132788), (2047, 125328), (2136, 120106), (2238, 114632), (2492, 102948), (2576, 99591), (2611, 98256), (2984, 85974), (3738, 68632), (3864, 66394), (4094, 62664), (4272, 60053), (4476, 57316), (4984, 51474), (5222, 49128), (5968, 42987), (6141, 41776), (7476, 34316), (7728, 33197), (7833, 32752), (8188, 31332), (8579, 29904), (8952, 28658), (9968, 25737), (10444, 24564), (12282, 20888), (14329, 17904), (14952, 17158), (15666, 16376)]