639907980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10665133}}^1$

素因数の和:10665145

約数の個数: 24

約数和(自身を含む): 1791742512

約数和(自身を除く): 1151834532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10665133, 21330266, 31995399, 42660532, 53325665, 63990798, 106651330, 127981596, 159976995, 213302660, 319953990, 639907980]

約数ペア:

[(1, 639907980), (2, 319953990), (3, 213302660), (4, 159976995), (5, 127981596), (6, 106651330), (10, 63990798), (12, 53325665), (15, 42660532), (20, 31995399), (30, 21330266), (60, 10665133)]