12717880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 33359040

約数和(自身を除く): 20641160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 857, 1060, 1484, 1714, 1855, 2120, 2968, 3428, 3710, 4285, 5999, 6856, 7420, 8570, 11998, 14840, 17140, 23996, 29995, 34280, 45421, 47992, 59990, 90842, 119980, 181684, 227105, 239960, 317947, 363368, 454210, 635894, 908420, 1271788, 1589735, 1816840, 2543576, 3179470, 6358940, 12717880]

約数ペア:

[(1, 12717880), (2, 6358940), (4, 3179470), (5, 2543576), (7, 1816840), (8, 1589735), (10, 1271788), (14, 908420), (20, 635894), (28, 454210), (35, 363368), (40, 317947), (53, 239960), (56, 227105), (70, 181684), (106, 119980), (140, 90842), (212, 59990), (265, 47992), (280, 45421), (371, 34280), (424, 29995), (530, 23996), (742, 17140), (857, 14840), (1060, 11998), (1484, 8570), (1714, 7420), (1855, 6856), (2120, 5999), (2968, 4285), (3428, 3710)]