144688120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84121}}^1$

素因数の和:84175

約数の個数: 32

約数和(自身を含む): 333123120

約数和(自身を除く): 188435000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 84121, 168242, 336484, 420605, 672968, 841210, 1682420, 3364840, 3617203, 7234406, 14468812, 18086015, 28937624, 36172030, 72344060, 144688120]

約数ペア:

[(1, 144688120), (2, 72344060), (4, 36172030), (5, 28937624), (8, 18086015), (10, 14468812), (20, 7234406), (40, 3617203), (43, 3364840), (86, 1682420), (172, 841210), (215, 672968), (344, 420605), (430, 336484), (860, 168242), (1720, 84121)]