256495488

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 728524800

約数和(自身を除く): 472029312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 48, 58, 62, 64, 87, 93, 96, 116, 124, 128, 174, 186, 192, 232, 248, 348, 372, 384, 464, 496, 696, 743, 744, 899, 928, 992, 1392, 1486, 1488, 1798, 1856, 1984, 2229, 2697, 2784, 2972, 2976, 3596, 3712, 3968, 4458, 5394, 5568, 5944, 5952, 7192, 8916, 10788, 11136, 11888, 11904, 14384, 17832, 21547, 21576, 23033, 23776, 28768, 35664, 43094, 43152, 46066, 47552, 57536, 64641, 69099, 71328, 86188, 86304, 92132, 95104, 115072, 129282, 138198, 142656, 172376, 172608, 184264, 258564, 276396, 285312, 344752, 345216, 368528, 517128, 552792, 667957, 689504, 737056, 1034256, 1105584, 1335914, 1379008, 1474112, 2003871, 2068512, 2211168, 2671828, 2758016, 2948224, 4007742, 4137024, 4422336, 5343656, 8015484, 8274048, 8844672, 10687312, 16030968, 21374624, 32061936, 42749248, 64123872, 85498496, 128247744, 256495488]

約数ペア:

[(1, 256495488), (2, 128247744), (3, 85498496), (4, 64123872), (6, 42749248), (8, 32061936), (12, 21374624), (16, 16030968), (24, 10687312), (29, 8844672), (31, 8274048), (32, 8015484), (48, 5343656), (58, 4422336), (62, 4137024), (64, 4007742), (87, 2948224), (93, 2758016), (96, 2671828), (116, 2211168), (124, 2068512), (128, 2003871), (174, 1474112), (186, 1379008), (192, 1335914), (232, 1105584), (248, 1034256), (348, 737056), (372, 689504), (384, 667957), (464, 552792), (496, 517128), (696, 368528), (743, 345216), (744, 344752), (899, 285312), (928, 276396), (992, 258564), (1392, 184264), (1486, 172608), (1488, 172376), (1798, 142656), (1856, 138198), (1984, 129282), (2229, 115072), (2697, 95104), (2784, 92132), (2972, 86304), (2976, 86188), (3596, 71328), (3712, 69099), (3968, 64641), (4458, 57536), (5394, 47552), (5568, 46066), (5944, 43152), (5952, 43094), (7192, 35664), (8916, 28768), (10788, 23776), (11136, 23033), (11888, 21576), (11904, 21547), (14384, 17832)]