1679440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 4464000

約数和(自身を除く): 2784560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2999, 5998, 11996, 14995, 20993, 23992, 29990, 41986, 47984, 59980, 83972, 104965, 119960, 167944, 209930, 239920, 335888, 419860, 839720, 1679440]

約数ペア:

[(1, 1679440), (2, 839720), (4, 419860), (5, 335888), (7, 239920), (8, 209930), (10, 167944), (14, 119960), (16, 104965), (20, 83972), (28, 59980), (35, 47984), (40, 41986), (56, 29990), (70, 23992), (80, 20993), (112, 14995), (140, 11996), (280, 5998), (560, 2999)]