131261580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{243077}}^1$

素因数の和:243095

約数の個数: 48

約数和(自身を含む): 408371040

約数和(自身を除く): 277109460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 243077, 486154, 729231, 972308, 1215385, 1458462, 2187693, 2430770, 2916924, 3646155, 4375386, 4861540, 6563079, 7292310, 8750772, 10938465, 13126158, 14584620, 21876930, 26252316, 32815395, 43753860, 65630790, 131261580]

約数ペア:

[(1, 131261580), (2, 65630790), (3, 43753860), (4, 32815395), (5, 26252316), (6, 21876930), (9, 14584620), (10, 13126158), (12, 10938465), (15, 8750772), (18, 7292310), (20, 6563079), (27, 4861540), (30, 4375386), (36, 3646155), (45, 2916924), (54, 2430770), (60, 2187693), (90, 1458462), (108, 1215385), (135, 972308), (180, 729231), (270, 486154), (540, 243077)]