81487872

素因数分解:

$2^{11}\times 3^2\times {\mathrm{4421}}^1$

素因数の和:4449

約数の個数: 72

約数和(自身を含む): 235405170

約数和(自身を除く): 153917298

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4421, 4608, 6144, 8842, 9216, 13263, 17684, 18432, 26526, 35368, 39789, 53052, 70736, 79578, 106104, 141472, 159156, 212208, 282944, 318312, 424416, 565888, 636624, 848832, 1131776, 1273248, 1697664, 2263552, 2546496, 3395328, 4527104, 5092992, 6790656, 9054208, 10185984, 13581312, 20371968, 27162624, 40743936, 81487872]

約数ペア:

[(1, 81487872), (2, 40743936), (3, 27162624), (4, 20371968), (6, 13581312), (8, 10185984), (9, 9054208), (12, 6790656), (16, 5092992), (18, 4527104), (24, 3395328), (32, 2546496), (36, 2263552), (48, 1697664), (64, 1273248), (72, 1131776), (96, 848832), (128, 636624), (144, 565888), (192, 424416), (256, 318312), (288, 282944), (384, 212208), (512, 159156), (576, 141472), (768, 106104), (1024, 79578), (1152, 70736), (1536, 53052), (2048, 39789), (2304, 35368), (3072, 26526), (4421, 18432), (4608, 17684), (6144, 13263), (8842, 9216)]