321231540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{764837}}^1$

素因数の和:764856

約数の個数: 48

約数和(自身を含む): 1027942272

約数和(自身を除く): 706710732

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, 764837, 1529674, 2294511, 3059348, 3824185, 4589022, 5353859, 7648370, 9178044, 10707718, 11472555, 15296740, 16061577, 21415436, 22945110, 26769295, 32123154, 45890220, 53538590, 64246308, 80307885, 107077180, 160615770, 321231540]

約数ペア:

[(1, 321231540), (2, 160615770), (3, 107077180), (4, 80307885), (5, 64246308), (6, 53538590), (7, 45890220), (10, 32123154), (12, 26769295), (14, 22945110), (15, 21415436), (20, 16061577), (21, 15296740), (28, 11472555), (30, 10707718), (35, 9178044), (42, 7648370), (60, 5353859), (70, 4589022), (84, 3824185), (105, 3059348), (140, 2294511), (210, 1529674), (420, 764837)]