256941216

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 840176064

約数和(自身を除く): 583234848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 233, 252, 288, 336, 466, 504, 547, 672, 699, 932, 1008, 1094, 1398, 1631, 1641, 1864, 2016, 2097, 2188, 2796, 3262, 3282, 3728, 3829, 4194, 4376, 4893, 4923, 5592, 6524, 6564, 7456, 7658, 8388, 8752, 9786, 9846, 11184, 11487, 13048, 13128, 14679, 15316, 16776, 17504, 19572, 19692, 22368, 22974, 26096, 26256, 29358, 30632, 33552, 34461, 39144, 39384, 45948, 52192, 52512, 58716, 61264, 67104, 68922, 78288, 78768, 91896, 117432, 122528, 127451, 137844, 156576, 157536, 183792, 234864, 254902, 275688, 367584, 382353, 469728, 509804, 551376, 764706, 892157, 1019608, 1102752, 1147059, 1529412, 1784314, 2039216, 2294118, 2676471, 3058824, 3568628, 4078432, 4588236, 5352942, 6117648, 7137256, 8029413, 9176472, 10705884, 12235296, 14274512, 16058826, 18352944, 21411768, 28549024, 32117652, 36705888, 42823536, 64235304, 85647072, 128470608, 256941216]

約数ペア:

[(1, 256941216), (2, 128470608), (3, 85647072), (4, 64235304), (6, 42823536), (7, 36705888), (8, 32117652), (9, 28549024), (12, 21411768), (14, 18352944), (16, 16058826), (18, 14274512), (21, 12235296), (24, 10705884), (28, 9176472), (32, 8029413), (36, 7137256), (42, 6117648), (48, 5352942), (56, 4588236), (63, 4078432), (72, 3568628), (84, 3058824), (96, 2676471), (112, 2294118), (126, 2039216), (144, 1784314), (168, 1529412), (224, 1147059), (233, 1102752), (252, 1019608), (288, 892157), (336, 764706), (466, 551376), (504, 509804), (547, 469728), (672, 382353), (699, 367584), (932, 275688), (1008, 254902), (1094, 234864), (1398, 183792), (1631, 157536), (1641, 156576), (1864, 137844), (2016, 127451), (2097, 122528), (2188, 117432), (2796, 91896), (3262, 78768), (3282, 78288), (3728, 68922), (3829, 67104), (4194, 61264), (4376, 58716), (4893, 52512), (4923, 52192), (5592, 45948), (6524, 39384), (6564, 39144), (7456, 34461), (7658, 33552), (8388, 30632), (8752, 29358), (9786, 26256), (9846, 26096), (11184, 22974), (11487, 22368), (13048, 19692), (13128, 19572), (14679, 17504), (15316, 16776)]