67878180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{859}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 206606400

約数和(自身を除く): 138728220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 859, 878, 1317, 1718, 1756, 2195, 2577, 2634, 3436, 3951, 4295, 4390, 5154, 5268, 6585, 7731, 7902, 8590, 8780, 10308, 12885, 13170, 15462, 15804, 17180, 19755, 25770, 26340, 30924, 38655, 39510, 51540, 77310, 79020, 154620, 377101, 754202, 1131303, 1508404, 1885505, 2262606, 3393909, 3771010, 4525212, 5656515, 6787818, 7542020, 11313030, 13575636, 16969545, 22626060, 33939090, 67878180]

約数ペア:

[(1, 67878180), (2, 33939090), (3, 22626060), (4, 16969545), (5, 13575636), (6, 11313030), (9, 7542020), (10, 6787818), (12, 5656515), (15, 4525212), (18, 3771010), (20, 3393909), (30, 2262606), (36, 1885505), (45, 1508404), (60, 1131303), (90, 754202), (180, 377101), (439, 154620), (859, 79020), (878, 77310), (1317, 51540), (1718, 39510), (1756, 38655), (2195, 30924), (2577, 26340), (2634, 25770), (3436, 19755), (3951, 17180), (4295, 15804), (4390, 15462), (5154, 13170), (5268, 12885), (6585, 10308), (7731, 8780), (7902, 8590)]