78126540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1811}}^1$

素因数の和:2542

約数の個数: 48

約数和(自身を含む): 219179520

約数和(自身を除く): 141052980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 719, 1438, 1811, 2157, 2876, 3595, 3622, 4314, 5433, 7190, 7244, 8628, 9055, 10785, 10866, 14380, 18110, 21570, 21732, 27165, 36220, 43140, 54330, 108660, 1302109, 2604218, 3906327, 5208436, 6510545, 7812654, 13021090, 15625308, 19531635, 26042180, 39063270, 78126540]

約数ペア:

[(1, 78126540), (2, 39063270), (3, 26042180), (4, 19531635), (5, 15625308), (6, 13021090), (10, 7812654), (12, 6510545), (15, 5208436), (20, 3906327), (30, 2604218), (60, 1302109), (719, 108660), (1438, 54330), (1811, 43140), (2157, 36220), (2876, 27165), (3595, 21732), (3622, 21570), (4314, 18110), (5433, 14380), (7190, 10866), (7244, 10785), (8628, 9055)]