1380724240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2465579}}^1$

素因数の和:2465599

約数の個数: 40

約数和(自身を含む): 3668783040

約数和(自身を除く): 2288058800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2465579, 4931158, 9862316, 12327895, 17259053, 19724632, 24655790, 34518106, 39449264, 49311580, 69036212, 86295265, 98623160, 138072424, 172590530, 197246320, 276144848, 345181060, 690362120, 1380724240]

約数ペア:

[(1, 1380724240), (2, 690362120), (4, 345181060), (5, 276144848), (7, 197246320), (8, 172590530), (10, 138072424), (14, 98623160), (16, 86295265), (20, 69036212), (28, 49311580), (35, 39449264), (40, 34518106), (56, 24655790), (70, 19724632), (80, 17259053), (112, 12327895), (140, 9862316), (280, 4931158), (560, 2465579)]