78820620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1313677}}^1$

素因数の和:1313689

約数の個数: 24

約数和(自身を含む): 220697904

約数和(自身を除く): 141877284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1313677, 2627354, 3941031, 5254708, 6568385, 7882062, 13136770, 15764124, 19705155, 26273540, 39410310, 78820620]

約数ペア:

[(1, 78820620), (2, 39410310), (3, 26273540), (4, 19705155), (5, 15764124), (6, 13136770), (10, 7882062), (12, 6568385), (15, 5254708), (20, 3941031), (30, 2627354), (60, 1313677)]