405540

素因数分解:

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

素因数の和:769

約数の個数: 48

約数和(自身を含む): 1263360

約数和(自身を除く): 857820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 751, 1502, 2253, 3004, 3755, 4506, 6759, 7510, 9012, 11265, 13518, 15020, 20277, 22530, 27036, 33795, 40554, 45060, 67590, 81108, 101385, 135180, 202770, 405540]

約数ペア:

[(1, 405540), (2, 202770), (3, 135180), (4, 101385), (5, 81108), (6, 67590), (9, 45060), (10, 40554), (12, 33795), (15, 27036), (18, 22530), (20, 20277), (27, 15020), (30, 13518), (36, 11265), (45, 9012), (54, 7510), (60, 6759), (90, 4506), (108, 3755), (135, 3004), (180, 2253), (270, 1502), (540, 751)]