15368720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10111}}^1$

素因数の和:10143

約数の個数: 40

約数和(自身を含む): 37616640

約数和(自身を除く): 22247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10111, 20222, 40444, 50555, 80888, 101110, 161776, 192109, 202220, 384218, 404440, 768436, 808880, 960545, 1536872, 1921090, 3073744, 3842180, 7684360, 15368720]

約数ペア:

[(1, 15368720), (2, 7684360), (4, 3842180), (5, 3073744), (8, 1921090), (10, 1536872), (16, 960545), (19, 808880), (20, 768436), (38, 404440), (40, 384218), (76, 202220), (80, 192109), (95, 161776), (152, 101110), (190, 80888), (304, 50555), (380, 40444), (760, 20222), (1520, 10111)]