30915780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73609}}^1$

素因数の和:73628

約数の個数: 48

約数和(自身を含む): 98931840

約数和(自身を除く): 68016060

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, 73609, 147218, 220827, 294436, 368045, 441654, 515263, 736090, 883308, 1030526, 1104135, 1472180, 1545789, 2061052, 2208270, 2576315, 3091578, 4416540, 5152630, 6183156, 7728945, 10305260, 15457890, 30915780]

約数ペア:

[(1, 30915780), (2, 15457890), (3, 10305260), (4, 7728945), (5, 6183156), (6, 5152630), (7, 4416540), (10, 3091578), (12, 2576315), (14, 2208270), (15, 2061052), (20, 1545789), (21, 1472180), (28, 1104135), (30, 1030526), (35, 883308), (42, 736090), (60, 515263), (70, 441654), (84, 368045), (105, 294436), (140, 220827), (210, 147218), (420, 73609)]