15687040

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 37992960

約数和(自身を除く): 22305920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 193, 254, 320, 386, 508, 635, 640, 772, 965, 1016, 1270, 1544, 1930, 2032, 2540, 3088, 3860, 4064, 5080, 6176, 7720, 8128, 10160, 12352, 15440, 16256, 20320, 24511, 24704, 30880, 40640, 49022, 61760, 81280, 98044, 122555, 123520, 196088, 245110, 392176, 490220, 784352, 980440, 1568704, 1960880, 3137408, 3921760, 7843520, 15687040]

約数ペア:

[(1, 15687040), (2, 7843520), (4, 3921760), (5, 3137408), (8, 1960880), (10, 1568704), (16, 980440), (20, 784352), (32, 490220), (40, 392176), (64, 245110), (80, 196088), (127, 123520), (128, 122555), (160, 98044), (193, 81280), (254, 61760), (320, 49022), (386, 40640), (508, 30880), (635, 24704), (640, 24511), (772, 20320), (965, 16256), (1016, 15440), (1270, 12352), (1544, 10160), (1930, 8128), (2032, 7720), (2540, 6176), (3088, 5080), (3860, 4064)]