205470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{761}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 548640

約数和(自身を除く): 343170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 761, 1522, 2283, 3805, 4566, 6849, 7610, 11415, 13698, 20547, 22830, 34245, 41094, 68490, 102735, 205470]

約数ペア:

[(1, 205470), (2, 102735), (3, 68490), (5, 41094), (6, 34245), (9, 22830), (10, 20547), (15, 13698), (18, 11415), (27, 7610), (30, 6849), (45, 4566), (54, 3805), (90, 2283), (135, 1522), (270, 761)]