256716864

素因数分解:

$2^6\times 3^5\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 168

約数和(自身を含む): 808805088

約数和(自身を除く): 552088224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 192, 204, 216, 243, 272, 288, 306, 324, 408, 432, 459, 486, 544, 576, 612, 648, 816, 864, 918, 971, 972, 1088, 1224, 1296, 1377, 1632, 1728, 1836, 1942, 1944, 2448, 2592, 2754, 2913, 3264, 3672, 3884, 3888, 4131, 4896, 5184, 5508, 5826, 7344, 7768, 7776, 8262, 8739, 9792, 11016, 11652, 14688, 15536, 15552, 16507, 16524, 17478, 22032, 23304, 26217, 29376, 31072, 33014, 33048, 34956, 44064, 46608, 49521, 52434, 62144, 66028, 66096, 69912, 78651, 88128, 93216, 99042, 104868, 132056, 132192, 139824, 148563, 157302, 186432, 198084, 209736, 235953, 264112, 264384, 279648, 297126, 314604, 396168, 419472, 445689, 471906, 528224, 559296, 594252, 629208, 792336, 838944, 891378, 943812, 1056448, 1188504, 1258416, 1337067, 1584672, 1677888, 1782756, 1887624, 2377008, 2516832, 2674134, 3169344, 3565512, 3775248, 4011201, 4754016, 5033664, 5348268, 7131024, 7550496, 8022402, 9508032, 10696536, 14262048, 15100992, 16044804, 21393072, 28524096, 32089608, 42786144, 64179216, 85572288, 128358432, 256716864]

約数ペア:

[(1, 256716864), (2, 128358432), (3, 85572288), (4, 64179216), (6, 42786144), (8, 32089608), (9, 28524096), (12, 21393072), (16, 16044804), (17, 15100992), (18, 14262048), (24, 10696536), (27, 9508032), (32, 8022402), (34, 7550496), (36, 7131024), (48, 5348268), (51, 5033664), (54, 4754016), (64, 4011201), (68, 3775248), (72, 3565512), (81, 3169344), (96, 2674134), (102, 2516832), (108, 2377008), (136, 1887624), (144, 1782756), (153, 1677888), (162, 1584672), (192, 1337067), (204, 1258416), (216, 1188504), (243, 1056448), (272, 943812), (288, 891378), (306, 838944), (324, 792336), (408, 629208), (432, 594252), (459, 559296), (486, 528224), (544, 471906), (576, 445689), (612, 419472), (648, 396168), (816, 314604), (864, 297126), (918, 279648), (971, 264384), (972, 264112), (1088, 235953), (1224, 209736), (1296, 198084), (1377, 186432), (1632, 157302), (1728, 148563), (1836, 139824), (1942, 132192), (1944, 132056), (2448, 104868), (2592, 99042), (2754, 93216), (2913, 88128), (3264, 78651), (3672, 69912), (3884, 66096), (3888, 66028), (4131, 62144), (4896, 52434), (5184, 49521), (5508, 46608), (5826, 44064), (7344, 34956), (7768, 33048), (7776, 33014), (8262, 31072), (8739, 29376), (9792, 26217), (11016, 23304), (11652, 22032), (14688, 17478), (15536, 16524), (15552, 16507)]