256707072

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 240

約数和(自身を含む): 818686440

約数和(自身を除く): 561979368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 64, 68, 72, 87, 96, 102, 113, 116, 128, 136, 144, 153, 174, 192, 204, 226, 232, 256, 261, 272, 288, 306, 339, 348, 384, 408, 452, 464, 493, 512, 522, 544, 576, 612, 678, 696, 768, 816, 904, 928, 986, 1017, 1044, 1088, 1152, 1224, 1356, 1392, 1479, 1536, 1632, 1808, 1856, 1921, 1972, 2034, 2088, 2176, 2304, 2448, 2712, 2784, 2958, 3264, 3277, 3616, 3712, 3842, 3944, 4068, 4176, 4352, 4437, 4608, 4896, 5424, 5568, 5763, 5916, 6528, 6554, 7232, 7424, 7684, 7888, 8136, 8352, 8704, 8874, 9792, 9831, 10848, 11136, 11526, 11832, 13056, 13108, 14464, 14848, 15368, 15776, 16272, 16704, 17289, 17748, 19584, 19662, 21696, 22272, 23052, 23664, 26112, 26216, 28928, 29493, 30736, 31552, 32544, 33408, 34578, 35496, 39168, 39324, 43392, 44544, 46104, 47328, 52432, 55709, 57856, 58986, 61472, 63104, 65088, 66816, 69156, 70992, 78336, 78648, 86784, 92208, 94656, 104864, 111418, 117972, 122944, 126208, 130176, 133632, 138312, 141984, 157296, 167127, 173568, 184416, 189312, 209728, 222836, 235944, 245888, 252416, 260352, 276624, 283968, 314592, 334254, 368832, 378624, 419456, 445672, 471888, 491776, 501381, 520704, 553248, 567936, 629184, 668508, 737664, 757248, 838912, 891344, 943776, 983552, 1002762, 1106496, 1135872, 1258368, 1337016, 1475328, 1677824, 1782688, 1887552, 2005524, 2212992, 2271744, 2516736, 2674032, 2950656, 3565376, 3775104, 4011048, 4425984, 5033472, 5348064, 7130752, 7550208, 8022096, 8851968, 10696128, 14261504, 15100416, 16044192, 21392256, 28523008, 32088384, 42784512, 64176768, 85569024, 128353536, 256707072]

約数ペア:

[(1, 256707072), (2, 128353536), (3, 85569024), (4, 64176768), (6, 42784512), (8, 32088384), (9, 28523008), (12, 21392256), (16, 16044192), (17, 15100416), (18, 14261504), (24, 10696128), (29, 8851968), (32, 8022096), (34, 7550208), (36, 7130752), (48, 5348064), (51, 5033472), (58, 4425984), (64, 4011048), (68, 3775104), (72, 3565376), (87, 2950656), (96, 2674032), (102, 2516736), (113, 2271744), (116, 2212992), (128, 2005524), (136, 1887552), (144, 1782688), (153, 1677824), (174, 1475328), (192, 1337016), (204, 1258368), (226, 1135872), (232, 1106496), (256, 1002762), (261, 983552), (272, 943776), (288, 891344), (306, 838912), (339, 757248), (348, 737664), (384, 668508), (408, 629184), (452, 567936), (464, 553248), (493, 520704), (512, 501381), (522, 491776), (544, 471888), (576, 445672), (612, 419456), (678, 378624), (696, 368832), (768, 334254), (816, 314592), (904, 283968), (928, 276624), (986, 260352), (1017, 252416), (1044, 245888), (1088, 235944), (1152, 222836), (1224, 209728), (1356, 189312), (1392, 184416), (1479, 173568), (1536, 167127), (1632, 157296), (1808, 141984), (1856, 138312), (1921, 133632), (1972, 130176), (2034, 126208), (2088, 122944), (2176, 117972), (2304, 111418), (2448, 104864), (2712, 94656), (2784, 92208), (2958, 86784), (3264, 78648), (3277, 78336), (3616, 70992), (3712, 69156), (3842, 66816), (3944, 65088), (4068, 63104), (4176, 61472), (4352, 58986), (4437, 57856), (4608, 55709), (4896, 52432), (5424, 47328), (5568, 46104), (5763, 44544), (5916, 43392), (6528, 39324), (6554, 39168), (7232, 35496), (7424, 34578), (7684, 33408), (7888, 32544), (8136, 31552), (8352, 30736), (8704, 29493), (8874, 28928), (9792, 26216), (9831, 26112), (10848, 23664), (11136, 23052), (11526, 22272), (11832, 21696), (13056, 19662), (13108, 19584), (14464, 17748), (14848, 17289), (15368, 16704), (15776, 16272)]