30745960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109807}}^1$

素因数の和:109825

約数の個数: 32

約数和(自身を含む): 79061760

約数和(自身を除く): 48315800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109807, 219614, 439228, 549035, 768649, 878456, 1098070, 1537298, 2196140, 3074596, 3843245, 4392280, 6149192, 7686490, 15372980, 30745960]

約数ペア:

[(1, 30745960), (2, 15372980), (4, 7686490), (5, 6149192), (7, 4392280), (8, 3843245), (10, 3074596), (14, 2196140), (20, 1537298), (28, 1098070), (35, 878456), (40, 768649), (56, 549035), (70, 439228), (140, 219614), (280, 109807)]