161755760

素因数分解:

$2^4\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2671}}^1$

素因数の和:3441

約数の個数: 40

約数和(自身を含む): 376719936

約数和(自身を除く): 214964176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 757, 1514, 2671, 3028, 3785, 5342, 6056, 7570, 10684, 12112, 13355, 15140, 21368, 26710, 30280, 42736, 53420, 60560, 106840, 213680, 2021947, 4043894, 8087788, 10109735, 16175576, 20219470, 32351152, 40438940, 80877880, 161755760]

約数ペア:

[(1, 161755760), (2, 80877880), (4, 40438940), (5, 32351152), (8, 20219470), (10, 16175576), (16, 10109735), (20, 8087788), (40, 4043894), (80, 2021947), (757, 213680), (1514, 106840), (2671, 60560), (3028, 53420), (3785, 42736), (5342, 30280), (6056, 26710), (7570, 21368), (10684, 15140), (12112, 13355)]