1311541890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{278459}}^1$

素因数の和:278626

約数の個数: 32

約数和(自身を含む): 3167760960

約数和(自身を除く): 1856219070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4710, 278459, 556918, 835377, 1392295, 1670754, 2784590, 4176885, 8353770, 43718063, 87436126, 131154189, 218590315, 262308378, 437180630, 655770945, 1311541890]

約数ペア:

[(1, 1311541890), (2, 655770945), (3, 437180630), (5, 262308378), (6, 218590315), (10, 131154189), (15, 87436126), (30, 43718063), (157, 8353770), (314, 4176885), (471, 2784590), (785, 1670754), (942, 1392295), (1570, 835377), (2355, 556918), (4710, 278459)]