87863720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 226886400

約数和(自身を除く): 139022680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1009, 1244, 1555, 2018, 2177, 2488, 3110, 4036, 4354, 5045, 6220, 7063, 8072, 8708, 10090, 10885, 12440, 14126, 17416, 20180, 21770, 28252, 35315, 40360, 43540, 56504, 70630, 87080, 141260, 282520, 313799, 627598, 1255196, 1568995, 2196593, 2510392, 3137990, 4393186, 6275980, 8786372, 10982965, 12551960, 17572744, 21965930, 43931860, 87863720]

約数ペア:

[(1, 87863720), (2, 43931860), (4, 21965930), (5, 17572744), (7, 12551960), (8, 10982965), (10, 8786372), (14, 6275980), (20, 4393186), (28, 3137990), (35, 2510392), (40, 2196593), (56, 1568995), (70, 1255196), (140, 627598), (280, 313799), (311, 282520), (622, 141260), (1009, 87080), (1244, 70630), (1555, 56504), (2018, 43540), (2177, 40360), (2488, 35315), (3110, 28252), (4036, 21770), (4354, 20180), (5045, 17416), (6220, 14126), (7063, 12440), (8072, 10885), (8708, 10090)]