68257660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 149748480

約数和(自身を除く): 81490820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1237, 1780, 2474, 2759, 4948, 5518, 6185, 11036, 12370, 13795, 24740, 27590, 38347, 55180, 76694, 110093, 153388, 191735, 220186, 383470, 440372, 550465, 766940, 1100930, 2201860, 3412883, 6825766, 13651532, 17064415, 34128830, 68257660]

約数ペア:

[(1, 68257660), (2, 34128830), (4, 17064415), (5, 13651532), (10, 6825766), (20, 3412883), (31, 2201860), (62, 1100930), (89, 766940), (124, 550465), (155, 440372), (178, 383470), (310, 220186), (356, 191735), (445, 153388), (620, 110093), (890, 76694), (1237, 55180), (1780, 38347), (2474, 27590), (2759, 24740), (4948, 13795), (5518, 12370), (6185, 11036)]