857820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 2633904

約数和(自身を除く): 1776084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 841, 870, 986, 1020, 1479, 1682, 1740, 1972, 2465, 2523, 2958, 3364, 4205, 4930, 5046, 5916, 7395, 8410, 9860, 10092, 12615, 14297, 14790, 16820, 25230, 28594, 29580, 42891, 50460, 57188, 71485, 85782, 142970, 171564, 214455, 285940, 428910, 857820]

約数ペア:

[(1, 857820), (2, 428910), (3, 285940), (4, 214455), (5, 171564), (6, 142970), (10, 85782), (12, 71485), (15, 57188), (17, 50460), (20, 42891), (29, 29580), (30, 28594), (34, 25230), (51, 16820), (58, 14790), (60, 14297), (68, 12615), (85, 10092), (87, 9860), (102, 8410), (116, 7395), (145, 5916), (170, 5046), (174, 4930), (204, 4205), (255, 3364), (290, 2958), (340, 2523), (348, 2465), (435, 1972), (493, 1740), (510, 1682), (580, 1479), (841, 1020), (870, 986)]