4008780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{22271}}^1$

素因数の和:22286

約数の個数: 36

約数和(自身を含む): 12160512

約数和(自身を除く): 8151732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 22271, 44542, 66813, 89084, 111355, 133626, 200439, 222710, 267252, 334065, 400878, 445420, 668130, 801756, 1002195, 1336260, 2004390, 4008780]

約数ペア:

[(1, 4008780), (2, 2004390), (3, 1336260), (4, 1002195), (5, 801756), (6, 668130), (9, 445420), (10, 400878), (12, 334065), (15, 267252), (18, 222710), (20, 200439), (30, 133626), (36, 111355), (45, 89084), (60, 66813), (90, 44542), (180, 22271)]