81309696

素因数分解:

$2^{12}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 104

約数和(自身を含む): 233934960

約数和(自身を除く): 152625264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 509, 512, 624, 768, 832, 1018, 1024, 1248, 1527, 1536, 1664, 2036, 2048, 2496, 3054, 3072, 3328, 4072, 4096, 4992, 6108, 6144, 6617, 6656, 8144, 9984, 12216, 12288, 13234, 13312, 16288, 19851, 19968, 24432, 26468, 26624, 32576, 39702, 39936, 48864, 52936, 53248, 65152, 79404, 79872, 97728, 105872, 130304, 158808, 159744, 195456, 211744, 260608, 317616, 390912, 423488, 521216, 635232, 781824, 846976, 1042432, 1270464, 1563648, 1693952, 2084864, 2540928, 3127296, 3387904, 5081856, 6254592, 6775808, 10163712, 13551616, 20327424, 27103232, 40654848, 81309696]

約数ペア:

[(1, 81309696), (2, 40654848), (3, 27103232), (4, 20327424), (6, 13551616), (8, 10163712), (12, 6775808), (13, 6254592), (16, 5081856), (24, 3387904), (26, 3127296), (32, 2540928), (39, 2084864), (48, 1693952), (52, 1563648), (64, 1270464), (78, 1042432), (96, 846976), (104, 781824), (128, 635232), (156, 521216), (192, 423488), (208, 390912), (256, 317616), (312, 260608), (384, 211744), (416, 195456), (509, 159744), (512, 158808), (624, 130304), (768, 105872), (832, 97728), (1018, 79872), (1024, 79404), (1248, 65152), (1527, 53248), (1536, 52936), (1664, 48864), (2036, 39936), (2048, 39702), (2496, 32576), (3054, 26624), (3072, 26468), (3328, 24432), (4072, 19968), (4096, 19851), (4992, 16288), (6108, 13312), (6144, 13234), (6617, 12288), (6656, 12216), (8144, 9984)]