68339660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 158034240

約数和(自身を除く): 89694580

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 239, 290, 340, 478, 493, 580, 841, 956, 986, 1195, 1682, 1972, 2390, 2465, 3364, 4063, 4205, 4780, 4930, 6931, 8126, 8410, 9860, 13862, 14297, 16252, 16820, 20315, 27724, 28594, 34655, 40630, 57188, 69310, 71485, 81260, 117827, 138620, 142970, 200999, 235654, 285940, 401998, 471308, 589135, 803996, 1004995, 1178270, 2009990, 2356540, 3416983, 4019980, 6833966, 13667932, 17084915, 34169830, 68339660]

約数ペア:

[(1, 68339660), (2, 34169830), (4, 17084915), (5, 13667932), (10, 6833966), (17, 4019980), (20, 3416983), (29, 2356540), (34, 2009990), (58, 1178270), (68, 1004995), (85, 803996), (116, 589135), (145, 471308), (170, 401998), (239, 285940), (290, 235654), (340, 200999), (478, 142970), (493, 138620), (580, 117827), (841, 81260), (956, 71485), (986, 69310), (1195, 57188), (1682, 40630), (1972, 34655), (2390, 28594), (2465, 27724), (3364, 20315), (4063, 16820), (4205, 16252), (4780, 14297), (4930, 13862), (6931, 9860), (8126, 8410)]