165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 497520

約数和(自身を除く): 331800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1381, 2762, 4143, 5524, 6905, 8286, 11048, 13810, 16572, 20715, 27620, 33144, 41430, 55240, 82860, 165720]

約数ペア:

[(1, 165720), (2, 82860), (3, 55240), (4, 41430), (5, 33144), (6, 27620), (8, 20715), (10, 16572), (12, 13810), (15, 11048), (20, 8286), (24, 6905), (30, 5524), (40, 4143), (60, 2762), (120, 1381)]