123165180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1759}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 374774400

約数和(自身を除く): 251609220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1759, 1945, 2334, 3501, 3518, 3890, 4668, 5277, 5835, 7002, 7036, 7780, 8795, 10554, 11670, 14004, 15831, 17505, 17590, 21108, 23340, 26385, 31662, 35010, 35180, 52770, 63324, 70020, 79155, 105540, 158310, 316620, 684251, 1368502, 2052753, 2737004, 3421255, 4105506, 6158259, 6842510, 8211012, 10263765, 12316518, 13685020, 20527530, 24633036, 30791295, 41055060, 61582590, 123165180]

約数ペア:

[(1, 123165180), (2, 61582590), (3, 41055060), (4, 30791295), (5, 24633036), (6, 20527530), (9, 13685020), (10, 12316518), (12, 10263765), (15, 8211012), (18, 6842510), (20, 6158259), (30, 4105506), (36, 3421255), (45, 2737004), (60, 2052753), (90, 1368502), (180, 684251), (389, 316620), (778, 158310), (1167, 105540), (1556, 79155), (1759, 70020), (1945, 63324), (2334, 52770), (3501, 35180), (3518, 35010), (3890, 31662), (4668, 26385), (5277, 23340), (5835, 21108), (7002, 17590), (7036, 17505), (7780, 15831), (8795, 14004), (10554, 11670)]