131325180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312679}}^1$

素因数の和:312698

約数の個数: 48

約数和(自身を含む): 420241920

約数和(自身を除く): 288916740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 312679, 625358, 938037, 1250716, 1563395, 1876074, 2188753, 3126790, 3752148, 4377506, 4690185, 6253580, 6566259, 8755012, 9380370, 10943765, 13132518, 18760740, 21887530, 26265036, 32831295, 43775060, 65662590, 131325180]

約数ペア:

[(1, 131325180), (2, 65662590), (3, 43775060), (4, 32831295), (5, 26265036), (6, 21887530), (7, 18760740), (10, 13132518), (12, 10943765), (14, 9380370), (15, 8755012), (20, 6566259), (21, 6253580), (28, 4690185), (30, 4377506), (35, 3752148), (42, 3126790), (60, 2188753), (70, 1876074), (84, 1563395), (105, 1250716), (140, 938037), (210, 625358), (420, 312679)]