256977168

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6427}}^1$

素因数の和:6469

約数の個数: 120

約数和(自身を含む): 817795872

約数和(自身を除く): 560818704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 84, 98, 102, 112, 119, 136, 147, 168, 196, 204, 238, 272, 294, 336, 357, 392, 408, 476, 588, 714, 784, 816, 833, 952, 1176, 1428, 1666, 1904, 2352, 2499, 2856, 3332, 4998, 5712, 6427, 6664, 9996, 12854, 13328, 19281, 19992, 25708, 38562, 39984, 44989, 51416, 77124, 89978, 102832, 109259, 134967, 154248, 179956, 218518, 269934, 308496, 314923, 327777, 359912, 437036, 539868, 629846, 655554, 719824, 764813, 874072, 944769, 1079736, 1259692, 1311108, 1529626, 1748144, 1889538, 2159472, 2294439, 2519384, 2622216, 3059252, 3779076, 4588878, 5038768, 5244432, 5353691, 6118504, 7558152, 9177756, 10707382, 12237008, 15116304, 16061073, 18355512, 21414764, 32122146, 36711024, 42829528, 64244292, 85659056, 128488584, 256977168]

約数ペア:

[(1, 256977168), (2, 128488584), (3, 85659056), (4, 64244292), (6, 42829528), (7, 36711024), (8, 32122146), (12, 21414764), (14, 18355512), (16, 16061073), (17, 15116304), (21, 12237008), (24, 10707382), (28, 9177756), (34, 7558152), (42, 6118504), (48, 5353691), (49, 5244432), (51, 5038768), (56, 4588878), (68, 3779076), (84, 3059252), (98, 2622216), (102, 2519384), (112, 2294439), (119, 2159472), (136, 1889538), (147, 1748144), (168, 1529626), (196, 1311108), (204, 1259692), (238, 1079736), (272, 944769), (294, 874072), (336, 764813), (357, 719824), (392, 655554), (408, 629846), (476, 539868), (588, 437036), (714, 359912), (784, 327777), (816, 314923), (833, 308496), (952, 269934), (1176, 218518), (1428, 179956), (1666, 154248), (1904, 134967), (2352, 109259), (2499, 102832), (2856, 89978), (3332, 77124), (4998, 51416), (5712, 44989), (6427, 39984), (6664, 38562), (9996, 25708), (12854, 19992), (13328, 19281)]