161463540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{384437}}^1$

素因数の和:384456

約数の個数: 48

約数和(自身を含む): 516684672

約数和(自身を除く): 355221132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 384437, 768874, 1153311, 1537748, 1922185, 2306622, 2691059, 3844370, 4613244, 5382118, 5766555, 7688740, 8073177, 10764236, 11533110, 13455295, 16146354, 23066220, 26910590, 32292708, 40365885, 53821180, 80731770, 161463540]

約数ペア:

[(1, 161463540), (2, 80731770), (3, 53821180), (4, 40365885), (5, 32292708), (6, 26910590), (7, 23066220), (10, 16146354), (12, 13455295), (14, 11533110), (15, 10764236), (20, 8073177), (21, 7688740), (28, 5766555), (30, 5382118), (35, 4613244), (42, 3844370), (60, 2691059), (70, 2306622), (84, 1922185), (105, 1537748), (140, 1153311), (210, 768874), (420, 384437)]