201721140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1120673}}^1$

素因数の和:1120688

約数の個数: 36

約数和(自身を含む): 611888004

約数和(自身を除く): 410166864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1120673, 2241346, 3362019, 4482692, 5603365, 6724038, 10086057, 11206730, 13448076, 16810095, 20172114, 22413460, 33620190, 40344228, 50430285, 67240380, 100860570, 201721140]

約数ペア:

[(1, 201721140), (2, 100860570), (3, 67240380), (4, 50430285), (5, 40344228), (6, 33620190), (9, 22413460), (10, 20172114), (12, 16810095), (15, 13448076), (18, 11206730), (20, 10086057), (30, 6724038), (36, 5603365), (45, 4482692), (60, 3362019), (90, 2241346), (180, 1120673)]