161851760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{289021}}^1$

素因数の和:289041

約数の個数: 40

約数和(自身を含む): 430064736

約数和(自身を除く): 268212976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 289021, 578042, 1156084, 1445105, 2023147, 2312168, 2890210, 4046294, 4624336, 5780420, 8092588, 10115735, 11560840, 16185176, 20231470, 23121680, 32370352, 40462940, 80925880, 161851760]

約数ペア:

[(1, 161851760), (2, 80925880), (4, 40462940), (5, 32370352), (7, 23121680), (8, 20231470), (10, 16185176), (14, 11560840), (16, 10115735), (20, 8092588), (28, 5780420), (35, 4624336), (40, 4046294), (56, 2890210), (70, 2312168), (80, 2023147), (112, 1445105), (140, 1156084), (280, 578042), (560, 289021)]