161808560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106453}}^1$

素因数の和:106485

約数の個数: 40

約数和(自身を含む): 396008880

約数和(自身を除く): 234200320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 106453, 212906, 425812, 532265, 851624, 1064530, 1703248, 2022607, 2129060, 4045214, 4258120, 8090428, 8516240, 10113035, 16180856, 20226070, 32361712, 40452140, 80904280, 161808560]

約数ペア:

[(1, 161808560), (2, 80904280), (4, 40452140), (5, 32361712), (8, 20226070), (10, 16180856), (16, 10113035), (19, 8516240), (20, 8090428), (38, 4258120), (40, 4045214), (76, 2129060), (80, 2022607), (95, 1703248), (152, 1064530), (190, 851624), (304, 532265), (380, 425812), (760, 212906), (1520, 106453)]