138018780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1021}}^1$

素因数の和:1787

約数の個数: 72

約数和(自身を含む): 419625024

約数和(自身を除く): 281606244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 751, 1021, 1502, 2042, 2253, 3004, 3063, 3755, 4084, 4506, 5105, 6126, 6759, 7510, 9012, 9189, 10210, 11265, 12252, 13518, 15020, 15315, 18378, 20420, 22530, 27036, 30630, 33795, 36756, 45060, 45945, 61260, 67590, 91890, 135180, 183780, 766771, 1533542, 2300313, 3067084, 3833855, 4600626, 6900939, 7667710, 9201252, 11501565, 13801878, 15335420, 23003130, 27603756, 34504695, 46006260, 69009390, 138018780]

約数ペア:

[(1, 138018780), (2, 69009390), (3, 46006260), (4, 34504695), (5, 27603756), (6, 23003130), (9, 15335420), (10, 13801878), (12, 11501565), (15, 9201252), (18, 7667710), (20, 6900939), (30, 4600626), (36, 3833855), (45, 3067084), (60, 2300313), (90, 1533542), (180, 766771), (751, 183780), (1021, 135180), (1502, 91890), (2042, 67590), (2253, 61260), (3004, 45945), (3063, 45060), (3755, 36756), (4084, 33795), (4506, 30630), (5105, 27036), (6126, 22530), (6759, 20420), (7510, 18378), (9012, 15315), (9189, 15020), (10210, 13518), (11265, 12252)]