69157580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{1231}}^1$

素因数の和:1346

約数の個数: 36

約数和(自身を含む): 148143072

約数和(自身を除く): 78985492

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1231, 2462, 2809, 4924, 5618, 6155, 11236, 12310, 14045, 24620, 28090, 56180, 65243, 130486, 260972, 326215, 652430, 1304860, 3457879, 6915758, 13831516, 17289395, 34578790, 69157580]

約数ペア:

[(1, 69157580), (2, 34578790), (4, 17289395), (5, 13831516), (10, 6915758), (20, 3457879), (53, 1304860), (106, 652430), (212, 326215), (265, 260972), (530, 130486), (1060, 65243), (1231, 56180), (2462, 28090), (2809, 24620), (4924, 14045), (5618, 12310), (6155, 11236)]