155514520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2791}}^1$

素因数の和:3008

約数の個数: 64

約数和(自身を含む): 402048000

約数和(自身を除く): 246533480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 2791, 3980, 5572, 5582, 6965, 7960, 11144, 11164, 13930, 13955, 19537, 22328, 27860, 27910, 39074, 55720, 55820, 78148, 97685, 111640, 156296, 195370, 390740, 555409, 781480, 1110818, 2221636, 2777045, 3887863, 4443272, 5554090, 7775726, 11108180, 15551452, 19439315, 22216360, 31102904, 38878630, 77757260, 155514520]

約数ペア:

[(1, 155514520), (2, 77757260), (4, 38878630), (5, 31102904), (7, 22216360), (8, 19439315), (10, 15551452), (14, 11108180), (20, 7775726), (28, 5554090), (35, 4443272), (40, 3887863), (56, 2777045), (70, 2221636), (140, 1110818), (199, 781480), (280, 555409), (398, 390740), (796, 195370), (995, 156296), (1393, 111640), (1592, 97685), (1990, 78148), (2786, 55820), (2791, 55720), (3980, 39074), (5572, 27910), (5582, 27860), (6965, 22328), (7960, 19537), (11144, 13955), (11164, 13930)]