78381990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{870911}}^1$

素因数の和:870924

約数の個数: 24

約数和(自身を含む): 203793408

約数和(自身を除く): 125411418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 870911, 1741822, 2612733, 4354555, 5225466, 7838199, 8709110, 13063665, 15676398, 26127330, 39190995, 78381990]

約数ペア:

[(1, 78381990), (2, 39190995), (3, 26127330), (5, 15676398), (6, 13063665), (9, 8709110), (10, 7838199), (15, 5225466), (18, 4354555), (30, 2612733), (45, 1741822), (90, 870911)]