161898030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{256981}}^1$

素因数の和:257001

約数の個数: 48

約数和(自身を含む): 481070304

約数和(自身を除く): 319172274

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 256981, 513962, 770943, 1284905, 1541886, 1798867, 2312829, 2569810, 3597734, 3854715, 4625658, 5396601, 7709430, 8994335, 10793202, 11564145, 16189803, 17988670, 23128290, 26983005, 32379606, 53966010, 80949015, 161898030]

約数ペア:

[(1, 161898030), (2, 80949015), (3, 53966010), (5, 32379606), (6, 26983005), (7, 23128290), (9, 17988670), (10, 16189803), (14, 11564145), (15, 10793202), (18, 8994335), (21, 7709430), (30, 5396601), (35, 4625658), (42, 3854715), (45, 3597734), (63, 2569810), (70, 2312829), (90, 1798867), (105, 1541886), (126, 1284905), (210, 770943), (315, 513962), (630, 256981)]