78948180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438601}}^1$

素因数の和:438616

約数の個数: 36

約数和(自身を含む): 239476692

約数和(自身を除く): 160528512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438601, 877202, 1315803, 1754404, 2193005, 2631606, 3947409, 4386010, 5263212, 6579015, 7894818, 8772020, 13158030, 15789636, 19737045, 26316060, 39474090, 78948180]

約数ペア:

[(1, 78948180), (2, 39474090), (3, 26316060), (4, 19737045), (5, 15789636), (6, 13158030), (9, 8772020), (10, 7894818), (12, 6579015), (15, 5263212), (18, 4386010), (20, 3947409), (30, 2631606), (36, 2193005), (45, 1754404), (60, 1315803), (90, 877202), (180, 438601)]