12722560

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 30869280

約数和(自身を除く): 18146720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 193, 206, 320, 386, 412, 515, 640, 772, 824, 965, 1030, 1544, 1648, 1930, 2060, 3088, 3296, 3860, 4120, 6176, 6592, 7720, 8240, 12352, 13184, 15440, 16480, 19879, 24704, 30880, 32960, 39758, 61760, 65920, 79516, 99395, 123520, 159032, 198790, 318064, 397580, 636128, 795160, 1272256, 1590320, 2544512, 3180640, 6361280, 12722560]

約数ペア:

[(1, 12722560), (2, 6361280), (4, 3180640), (5, 2544512), (8, 1590320), (10, 1272256), (16, 795160), (20, 636128), (32, 397580), (40, 318064), (64, 198790), (80, 159032), (103, 123520), (128, 99395), (160, 79516), (193, 65920), (206, 61760), (320, 39758), (386, 32960), (412, 30880), (515, 24704), (640, 19879), (772, 16480), (824, 15440), (965, 13184), (1030, 12352), (1544, 8240), (1648, 7720), (1930, 6592), (2060, 6176), (3088, 4120), (3296, 3860)]