78080.000000

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 2160000

約数和(自身を除く): 1320280

約数列:

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

約数ペア:

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