30988860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73783}}^1$

素因数の和:73802

約数の個数: 48

約数和(自身を含む): 99165696

約数和(自身を除く): 68176836

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, 73783, 147566, 221349, 295132, 368915, 442698, 516481, 737830, 885396, 1032962, 1106745, 1475660, 1549443, 2065924, 2213490, 2582405, 3098886, 4426980, 5164810, 6197772, 7747215, 10329620, 15494430, 30988860]

約数ペア:

[(1, 30988860), (2, 15494430), (3, 10329620), (4, 7747215), (5, 6197772), (6, 5164810), (7, 4426980), (10, 3098886), (12, 2582405), (14, 2213490), (15, 2065924), (20, 1549443), (21, 1475660), (28, 1106745), (30, 1032962), (35, 885396), (42, 737830), (60, 516481), (70, 442698), (84, 368915), (105, 295132), (140, 221349), (210, 147566), (420, 73783)]