256380432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1077

約数の個数: 160

約数和(自身を含む): 838232064

約数和(自身を除く): 581851632

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 71, 77, 84, 88, 112, 132, 142, 154, 168, 176, 213, 231, 264, 284, 308, 336, 426, 462, 497, 528, 568, 616, 781, 852, 924, 977, 994, 1136, 1232, 1491, 1562, 1704, 1848, 1954, 1988, 2343, 2931, 2982, 3124, 3408, 3696, 3908, 3976, 4686, 5467, 5862, 5964, 6248, 6839, 7816, 7952, 9372, 10747, 10934, 11724, 11928, 12496, 13678, 15632, 16401, 18744, 20517, 21494, 21868, 23448, 23856, 27356, 32241, 32802, 37488, 41034, 42988, 43736, 46896, 54712, 64482, 65604, 69367, 75229, 82068, 85976, 87472, 109424, 128964, 131208, 138734, 150458, 164136, 171952, 208101, 225687, 257928, 262416, 277468, 300916, 328272, 416202, 451374, 485569, 515856, 554936, 601832, 763037, 832404, 902748, 971138, 1109872, 1203664, 1456707, 1526074, 1664808, 1805496, 1942276, 2289111, 2913414, 3052148, 3329616, 3610992, 3884552, 4578222, 5341259, 5826828, 6104296, 7769104, 9156444, 10682518, 11653656, 12208592, 16023777, 18312888, 21365036, 23307312, 32047554, 36625776, 42730072, 64095108, 85460144, 128190216, 256380432]

約数ペア:

[(1, 256380432), (2, 128190216), (3, 85460144), (4, 64095108), (6, 42730072), (7, 36625776), (8, 32047554), (11, 23307312), (12, 21365036), (14, 18312888), (16, 16023777), (21, 12208592), (22, 11653656), (24, 10682518), (28, 9156444), (33, 7769104), (42, 6104296), (44, 5826828), (48, 5341259), (56, 4578222), (66, 3884552), (71, 3610992), (77, 3329616), (84, 3052148), (88, 2913414), (112, 2289111), (132, 1942276), (142, 1805496), (154, 1664808), (168, 1526074), (176, 1456707), (213, 1203664), (231, 1109872), (264, 971138), (284, 902748), (308, 832404), (336, 763037), (426, 601832), (462, 554936), (497, 515856), (528, 485569), (568, 451374), (616, 416202), (781, 328272), (852, 300916), (924, 277468), (977, 262416), (994, 257928), (1136, 225687), (1232, 208101), (1491, 171952), (1562, 164136), (1704, 150458), (1848, 138734), (1954, 131208), (1988, 128964), (2343, 109424), (2931, 87472), (2982, 85976), (3124, 82068), (3408, 75229), (3696, 69367), (3908, 65604), (3976, 64482), (4686, 54712), (5467, 46896), (5862, 43736), (5964, 42988), (6248, 41034), (6839, 37488), (7816, 32802), (7952, 32241), (9372, 27356), (10747, 23856), (10934, 23448), (11724, 21868), (11928, 21494), (12496, 20517), (13678, 18744), (15632, 16401)]