138931740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{257281}}^1$

素因数の和:257299

約数の個数: 48

約数和(自身を含む): 432233760

約数和(自身を除く): 293302020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 257281, 514562, 771843, 1029124, 1286405, 1543686, 2315529, 2572810, 3087372, 3859215, 4631058, 5145620, 6946587, 7718430, 9262116, 11577645, 13893174, 15436860, 23155290, 27786348, 34732935, 46310580, 69465870, 138931740]

約数ペア:

[(1, 138931740), (2, 69465870), (3, 46310580), (4, 34732935), (5, 27786348), (6, 23155290), (9, 15436860), (10, 13893174), (12, 11577645), (15, 9262116), (18, 7718430), (20, 6946587), (27, 5145620), (30, 4631058), (36, 3859215), (45, 3087372), (54, 2572810), (60, 2315529), (90, 1543686), (108, 1286405), (135, 1029124), (180, 771843), (270, 514562), (540, 257281)]