80784180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448801}}^1$

素因数の和:448816

約数の個数: 36

約数和(自身を含む): 245045892

約数和(自身を除く): 164261712

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448801, 897602, 1346403, 1795204, 2244005, 2692806, 4039209, 4488010, 5385612, 6732015, 8078418, 8976020, 13464030, 16156836, 20196045, 26928060, 40392090, 80784180]

約数ペア:

[(1, 80784180), (2, 40392090), (3, 26928060), (4, 20196045), (5, 16156836), (6, 13464030), (9, 8976020), (10, 8078418), (12, 6732015), (15, 5385612), (18, 4488010), (20, 4039209), (30, 2692806), (36, 2244005), (45, 1795204), (60, 1346403), (90, 897602), (180, 448801)]