78621540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1310359}}^1$

素因数の和:1310371

約数の個数: 24

約数和(自身を含む): 220140480

約数和(自身を除く): 141518940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1310359, 2620718, 3931077, 5241436, 6551795, 7862154, 13103590, 15724308, 19655385, 26207180, 39310770, 78621540]

約数ペア:

[(1, 78621540), (2, 39310770), (3, 26207180), (4, 19655385), (5, 15724308), (6, 13103590), (10, 7862154), (12, 6551795), (15, 5241436), (20, 3931077), (30, 2620718), (60, 1310359)]