159980660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8221}}^1$

素因数の和:8376

約数の個数: 48

約数和(自身を含む): 386762880

約数和(自身を除く): 226782220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 8221, 9730, 16442, 19460, 32884, 41105, 57547, 82210, 115094, 164420, 230188, 287735, 575470, 1142719, 1150940, 2285438, 4570876, 5713595, 7999033, 11427190, 15998066, 22854380, 31996132, 39995165, 79990330, 159980660]

約数ペア:

[(1, 159980660), (2, 79990330), (4, 39995165), (5, 31996132), (7, 22854380), (10, 15998066), (14, 11427190), (20, 7999033), (28, 5713595), (35, 4570876), (70, 2285438), (139, 1150940), (140, 1142719), (278, 575470), (556, 287735), (695, 230188), (973, 164420), (1390, 115094), (1946, 82210), (2780, 57547), (3892, 41105), (4865, 32884), (8221, 19460), (9730, 16442)]