76786640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137119}}^1$

素因数の和:137139

約数の個数: 40

約数和(自身を含む): 204034560

約数和(自身を除く): 127247920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 137119, 274238, 548476, 685595, 959833, 1096952, 1371190, 1919666, 2193904, 2742380, 3839332, 4799165, 5484760, 7678664, 9598330, 10969520, 15357328, 19196660, 38393320, 76786640]

約数ペア:

[(1, 76786640), (2, 38393320), (4, 19196660), (5, 15357328), (7, 10969520), (8, 9598330), (10, 7678664), (14, 5484760), (16, 4799165), (20, 3839332), (28, 2742380), (35, 2193904), (40, 1919666), (56, 1371190), (70, 1096952), (80, 959833), (112, 685595), (140, 548476), (280, 274238), (560, 137119)]