68695740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1153}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 209187888

約数和(自身を除く): 140492148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1153, 1324, 1655, 1986, 2306, 2979, 3310, 3459, 3972, 4612, 4965, 5765, 5958, 6620, 6918, 9930, 10377, 11530, 11916, 13836, 14895, 17295, 19860, 20754, 23060, 29790, 34590, 41508, 51885, 59580, 69180, 103770, 207540, 381643, 763286, 1144929, 1526572, 1908215, 2289858, 3434787, 3816430, 4579716, 5724645, 6869574, 7632860, 11449290, 13739148, 17173935, 22898580, 34347870, 68695740]

約数ペア:

[(1, 68695740), (2, 34347870), (3, 22898580), (4, 17173935), (5, 13739148), (6, 11449290), (9, 7632860), (10, 6869574), (12, 5724645), (15, 4579716), (18, 3816430), (20, 3434787), (30, 2289858), (36, 1908215), (45, 1526572), (60, 1144929), (90, 763286), (180, 381643), (331, 207540), (662, 103770), (993, 69180), (1153, 59580), (1324, 51885), (1655, 41508), (1986, 34590), (2306, 29790), (2979, 23060), (3310, 20754), (3459, 19860), (3972, 17295), (4612, 14895), (4965, 13836), (5765, 11916), (5958, 11530), (6620, 10377), (6918, 9930)]