648720384

素因数分解:

$2^{12}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 208

約数和(自身を含む): 1937531904

約数和(自身を除く): 1288811520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 131, 156, 186, 192, 208, 248, 256, 262, 312, 372, 384, 393, 403, 416, 496, 512, 524, 624, 744, 768, 786, 806, 832, 992, 1024, 1048, 1209, 1248, 1488, 1536, 1572, 1612, 1664, 1703, 1984, 2048, 2096, 2418, 2496, 2976, 3072, 3144, 3224, 3328, 3406, 3968, 4061, 4096, 4192, 4836, 4992, 5109, 5952, 6144, 6288, 6448, 6656, 6812, 7936, 8122, 8384, 9672, 9984, 10218, 11904, 12183, 12288, 12576, 12896, 13312, 13624, 15872, 16244, 16768, 19344, 19968, 20436, 23808, 24366, 25152, 25792, 26624, 27248, 31744, 32488, 33536, 38688, 39936, 40872, 47616, 48732, 50304, 51584, 52793, 53248, 54496, 63488, 64976, 67072, 77376, 79872, 81744, 95232, 97464, 100608, 103168, 105586, 108992, 126976, 129952, 134144, 154752, 158379, 159744, 163488, 190464, 194928, 201216, 206336, 211172, 217984, 259904, 268288, 309504, 316758, 326976, 380928, 389856, 402432, 412672, 422344, 435968, 519808, 536576, 619008, 633516, 653952, 779712, 804864, 825344, 844688, 871936, 1039616, 1238016, 1267032, 1307904, 1559424, 1609728, 1650688, 1689376, 1743872, 2079232, 2476032, 2534064, 2615808, 3118848, 3378752, 3487744, 4158464, 4952064, 5068128, 5231616, 6237696, 6757504, 6975488, 8316928, 10136256, 10463232, 12475392, 13515008, 16633856, 20272512, 20926464, 24950784, 27030016, 40545024, 49901568, 54060032, 81090048, 108120064, 162180096, 216240128, 324360192, 648720384]

約数ペア:

[(1, 648720384), (2, 324360192), (3, 216240128), (4, 162180096), (6, 108120064), (8, 81090048), (12, 54060032), (13, 49901568), (16, 40545024), (24, 27030016), (26, 24950784), (31, 20926464), (32, 20272512), (39, 16633856), (48, 13515008), (52, 12475392), (62, 10463232), (64, 10136256), (78, 8316928), (93, 6975488), (96, 6757504), (104, 6237696), (124, 5231616), (128, 5068128), (131, 4952064), (156, 4158464), (186, 3487744), (192, 3378752), (208, 3118848), (248, 2615808), (256, 2534064), (262, 2476032), (312, 2079232), (372, 1743872), (384, 1689376), (393, 1650688), (403, 1609728), (416, 1559424), (496, 1307904), (512, 1267032), (524, 1238016), (624, 1039616), (744, 871936), (768, 844688), (786, 825344), (806, 804864), (832, 779712), (992, 653952), (1024, 633516), (1048, 619008), (1209, 536576), (1248, 519808), (1488, 435968), (1536, 422344), (1572, 412672), (1612, 402432), (1664, 389856), (1703, 380928), (1984, 326976), (2048, 316758), (2096, 309504), (2418, 268288), (2496, 259904), (2976, 217984), (3072, 211172), (3144, 206336), (3224, 201216), (3328, 194928), (3406, 190464), (3968, 163488), (4061, 159744), (4096, 158379), (4192, 154752), (4836, 134144), (4992, 129952), (5109, 126976), (5952, 108992), (6144, 105586), (6288, 103168), (6448, 100608), (6656, 97464), (6812, 95232), (7936, 81744), (8122, 79872), (8384, 77376), (9672, 67072), (9984, 64976), (10218, 63488), (11904, 54496), (12183, 53248), (12288, 52793), (12576, 51584), (12896, 50304), (13312, 48732), (13624, 47616), (15872, 40872), (16244, 39936), (16768, 38688), (19344, 33536), (19968, 32488), (20436, 31744), (23808, 27248), (24366, 26624), (25152, 25792)]