64679440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115499}}^1$

素因数の和:115519

約数の個数: 40

約数和(自身を含む): 171864000

約数和(自身を除く): 107184560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115499, 230998, 461996, 577495, 808493, 923992, 1154990, 1616986, 1847984, 2309980, 3233972, 4042465, 4619960, 6467944, 8084930, 9239920, 12935888, 16169860, 32339720, 64679440]

約数ペア:

[(1, 64679440), (2, 32339720), (4, 16169860), (5, 12935888), (7, 9239920), (8, 8084930), (10, 6467944), (14, 4619960), (16, 4042465), (20, 3233972), (28, 2309980), (35, 1847984), (40, 1616986), (56, 1154990), (70, 923992), (80, 808493), (112, 577495), (140, 461996), (280, 230998), (560, 115499)]