135164820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{321821}}^1$

素因数の和:321840

約数の個数: 48

約数和(自身を含む): 432528768

約数和(自身を除く): 297363948

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, 321821, 643642, 965463, 1287284, 1609105, 1930926, 2252747, 3218210, 3861852, 4505494, 4827315, 6436420, 6758241, 9010988, 9654630, 11263735, 13516482, 19309260, 22527470, 27032964, 33791205, 45054940, 67582410, 135164820]

約数ペア:

[(1, 135164820), (2, 67582410), (3, 45054940), (4, 33791205), (5, 27032964), (6, 22527470), (7, 19309260), (10, 13516482), (12, 11263735), (14, 9654630), (15, 9010988), (20, 6758241), (21, 6436420), (28, 4827315), (30, 4505494), (35, 3861852), (42, 3218210), (60, 2252747), (70, 1930926), (84, 1609105), (105, 1287284), (140, 965463), (210, 643642), (420, 321821)]