81310770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{751}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 217658880

約数和(自身を除く): 136348110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 401, 751, 802, 1203, 1502, 2005, 2253, 2406, 3609, 3755, 4010, 4506, 6015, 6759, 7218, 7510, 10827, 11265, 12030, 13518, 18045, 20277, 21654, 22530, 33795, 36090, 40554, 54135, 67590, 101385, 108270, 202770, 301151, 602302, 903453, 1505755, 1806906, 2710359, 3011510, 4517265, 5420718, 8131077, 9034530, 13551795, 16262154, 27103590, 40655385, 81310770]

約数ペア:

[(1, 81310770), (2, 40655385), (3, 27103590), (5, 16262154), (6, 13551795), (9, 9034530), (10, 8131077), (15, 5420718), (18, 4517265), (27, 3011510), (30, 2710359), (45, 1806906), (54, 1505755), (90, 903453), (135, 602302), (270, 301151), (401, 202770), (751, 108270), (802, 101385), (1203, 67590), (1502, 54135), (2005, 40554), (2253, 36090), (2406, 33795), (3609, 22530), (3755, 21654), (4010, 20277), (4506, 18045), (6015, 13518), (6759, 12030), (7218, 11265), (7510, 10827)]