153080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 356400

約数和(自身を除く): 203320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1720, 1780, 3560, 3827, 7654, 15308, 19135, 30616, 38270, 76540, 153080]

約数ペア:

[(1, 153080), (2, 76540), (4, 38270), (5, 30616), (8, 19135), (10, 15308), (20, 7654), (40, 3827), (43, 3560), (86, 1780), (89, 1720), (172, 890), (178, 860), (215, 712), (344, 445), (356, 430)]