81662976

素因数分解:

$2^{10}\times 3^2\times {\mathrm{8861}}^1$

素因数の和:8887

約数の個数: 66

約数和(自身を含む): 235826682

約数和(自身を除く): 154163706

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, 2304, 3072, 4608, 8861, 9216, 17722, 26583, 35444, 53166, 70888, 79749, 106332, 141776, 159498, 212664, 283552, 318996, 425328, 567104, 637992, 850656, 1134208, 1275984, 1701312, 2268416, 2551968, 3402624, 4536832, 5103936, 6805248, 9073664, 10207872, 13610496, 20415744, 27220992, 40831488, 81662976]

約数ペア:

[(1, 81662976), (2, 40831488), (3, 27220992), (4, 20415744), (6, 13610496), (8, 10207872), (9, 9073664), (12, 6805248), (16, 5103936), (18, 4536832), (24, 3402624), (32, 2551968), (36, 2268416), (48, 1701312), (64, 1275984), (72, 1134208), (96, 850656), (128, 637992), (144, 567104), (192, 425328), (256, 318996), (288, 283552), (384, 212664), (512, 159498), (576, 141776), (768, 106332), (1024, 79749), (1152, 70888), (1536, 53166), (2304, 35444), (3072, 26583), (4608, 17722), (8861, 9216)]