161464520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{576659}}^1$

素因数の和:576677

約数の個数: 32

約数和(自身を含む): 415195200

約数和(自身を除く): 253730680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 576659, 1153318, 2306636, 2883295, 4036613, 4613272, 5766590, 8073226, 11533180, 16146452, 20183065, 23066360, 32292904, 40366130, 80732260, 161464520]

約数ペア:

[(1, 161464520), (2, 80732260), (4, 40366130), (5, 32292904), (7, 23066360), (8, 20183065), (10, 16146452), (14, 11533180), (20, 8073226), (28, 5766590), (35, 4613272), (40, 4036613), (56, 2883295), (70, 2306636), (140, 1153318), (280, 576659)]