261483180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{829}}^1$

素因数の和:1599

約数の個数: 96

約数和(自身を含む): 838871040

約数和(自身を除く): 577387860

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, 751, 829, 1502, 1658, 2253, 2487, 3004, 3316, 3755, 4145, 4506, 4974, 5257, 5803, 7510, 8290, 9012, 9948, 10514, 11265, 11606, 12435, 15020, 15771, 16580, 17409, 21028, 22530, 23212, 24870, 26285, 29015, 31542, 34818, 45060, 49740, 52570, 58030, 63084, 69636, 78855, 87045, 105140, 116060, 157710, 174090, 315420, 348180, 622579, 1245158, 1867737, 2490316, 3112895, 3735474, 4358053, 6225790, 7470948, 8716106, 9338685, 12451580, 13074159, 17432212, 18677370, 21790265, 26148318, 37354740, 43580530, 52296636, 65370795, 87161060, 130741590, 261483180]

約数ペア:

[(1, 261483180), (2, 130741590), (3, 87161060), (4, 65370795), (5, 52296636), (6, 43580530), (7, 37354740), (10, 26148318), (12, 21790265), (14, 18677370), (15, 17432212), (20, 13074159), (21, 12451580), (28, 9338685), (30, 8716106), (35, 7470948), (42, 6225790), (60, 4358053), (70, 3735474), (84, 3112895), (105, 2490316), (140, 1867737), (210, 1245158), (420, 622579), (751, 348180), (829, 315420), (1502, 174090), (1658, 157710), (2253, 116060), (2487, 105140), (3004, 87045), (3316, 78855), (3755, 69636), (4145, 63084), (4506, 58030), (4974, 52570), (5257, 49740), (5803, 45060), (7510, 34818), (8290, 31542), (9012, 29015), (9948, 26285), (10514, 24870), (11265, 23212), (11606, 22530), (12435, 21028), (15020, 17409), (15771, 16580)]