169787680

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2179}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 402131520

約数和(自身を除く): 232343840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2179, 2435, 3896, 4358, 4870, 7792, 8716, 9740, 10895, 15584, 17432, 19480, 21790, 34864, 38960, 43580, 69728, 77920, 87160, 174320, 348640, 1061173, 2122346, 4244692, 5305865, 8489384, 10611730, 16978768, 21223460, 33957536, 42446920, 84893840, 169787680]

約数ペア:

[(1, 169787680), (2, 84893840), (4, 42446920), (5, 33957536), (8, 21223460), (10, 16978768), (16, 10611730), (20, 8489384), (32, 5305865), (40, 4244692), (80, 2122346), (160, 1061173), (487, 348640), (974, 174320), (1948, 87160), (2179, 77920), (2435, 69728), (3896, 43580), (4358, 38960), (4870, 34864), (7792, 21790), (8716, 19480), (9740, 17432), (10895, 15584)]