72306640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129119}}^1$

素因数の和:129139

約数の個数: 40

約数和(自身を含む): 192130560

約数和(自身を除く): 119823920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129119, 258238, 516476, 645595, 903833, 1032952, 1291190, 1807666, 2065904, 2582380, 3615332, 4519165, 5164760, 7230664, 9038330, 10329520, 14461328, 18076660, 36153320, 72306640]

約数ペア:

[(1, 72306640), (2, 36153320), (4, 18076660), (5, 14461328), (7, 10329520), (8, 9038330), (10, 7230664), (14, 5164760), (16, 4519165), (20, 3615332), (28, 2582380), (35, 2065904), (40, 1807666), (56, 1291190), (70, 1032952), (80, 903833), (112, 645595), (140, 516476), (280, 258238), (560, 129119)]