12078920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 31363200

約数和(自身を除く): 19284280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 241, 280, 358, 482, 716, 895, 964, 1205, 1253, 1432, 1687, 1790, 1928, 2410, 2506, 3374, 3580, 4820, 5012, 6265, 6748, 7160, 8435, 9640, 10024, 12530, 13496, 16870, 25060, 33740, 43139, 50120, 67480, 86278, 172556, 215695, 301973, 345112, 431390, 603946, 862780, 1207892, 1509865, 1725560, 2415784, 3019730, 6039460, 12078920]

約数ペア:

[(1, 12078920), (2, 6039460), (4, 3019730), (5, 2415784), (7, 1725560), (8, 1509865), (10, 1207892), (14, 862780), (20, 603946), (28, 431390), (35, 345112), (40, 301973), (56, 215695), (70, 172556), (140, 86278), (179, 67480), (241, 50120), (280, 43139), (358, 33740), (482, 25060), (716, 16870), (895, 13496), (964, 12530), (1205, 10024), (1253, 9640), (1432, 8435), (1687, 7160), (1790, 6748), (1928, 6265), (2410, 5012), (2506, 4820), (3374, 3580)]