30239720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107999}}^1$

素因数の和:108017

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 47520280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 107999, 215998, 431996, 539995, 755993, 863992, 1079990, 1511986, 2159980, 3023972, 3779965, 4319960, 6047944, 7559930, 15119860, 30239720]

約数ペア:

[(1, 30239720), (2, 15119860), (4, 7559930), (5, 6047944), (7, 4319960), (8, 3779965), (10, 3023972), (14, 2159980), (20, 1511986), (28, 1079990), (35, 863992), (40, 755993), (56, 539995), (70, 431996), (140, 215998), (280, 107999)]