13671560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 35493120

約数和(自身を除く): 21821560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 311, 314, 622, 628, 785, 1099, 1244, 1256, 1555, 1570, 2177, 2198, 2488, 3110, 3140, 4354, 4396, 5495, 6220, 6280, 8708, 8792, 10885, 10990, 12440, 17416, 21770, 21980, 43540, 43960, 48827, 87080, 97654, 195308, 244135, 341789, 390616, 488270, 683578, 976540, 1367156, 1708945, 1953080, 2734312, 3417890, 6835780, 13671560]

約数ペア:

[(1, 13671560), (2, 6835780), (4, 3417890), (5, 2734312), (7, 1953080), (8, 1708945), (10, 1367156), (14, 976540), (20, 683578), (28, 488270), (35, 390616), (40, 341789), (56, 244135), (70, 195308), (140, 97654), (157, 87080), (280, 48827), (311, 43960), (314, 43540), (622, 21980), (628, 21770), (785, 17416), (1099, 12440), (1244, 10990), (1256, 10885), (1555, 8792), (1570, 8708), (2177, 6280), (2198, 6220), (2488, 5495), (3110, 4396), (3140, 4354)]