81412590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387679}}^1$

素因数の和:387696

約数の個数: 32

約数和(自身を含む): 223303680

約数和(自身を除く): 141891090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387679, 775358, 1163037, 1938395, 2326074, 2713753, 3876790, 5427506, 5815185, 8141259, 11630370, 13568765, 16282518, 27137530, 40706295, 81412590]

約数ペア:

[(1, 81412590), (2, 40706295), (3, 27137530), (5, 16282518), (6, 13568765), (7, 11630370), (10, 8141259), (14, 5815185), (15, 5427506), (21, 3876790), (30, 2713753), (35, 2326074), (42, 1938395), (70, 1163037), (105, 775358), (210, 387679)]