260761440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{543253}}^1$

素因数の和:543271

約数の個数: 48

約数和(自身を含む): 821400048

約数和(自身を除く): 560638608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 543253, 1086506, 1629759, 2173012, 2716265, 3259518, 4346024, 5432530, 6519036, 8148795, 8692048, 10865060, 13038072, 16297590, 17384096, 21730120, 26076144, 32595180, 43460240, 52152288, 65190360, 86920480, 130380720, 260761440]

約数ペア:

[(1, 260761440), (2, 130380720), (3, 86920480), (4, 65190360), (5, 52152288), (6, 43460240), (8, 32595180), (10, 26076144), (12, 21730120), (15, 17384096), (16, 16297590), (20, 13038072), (24, 10865060), (30, 8692048), (32, 8148795), (40, 6519036), (48, 5432530), (60, 4346024), (80, 3259518), (96, 2716265), (120, 2173012), (160, 1629759), (240, 1086506), (480, 543253)]