261231480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{80627}}^1$

素因数の和:80650

約数の個数: 80

約数和(自身を含む): 878038920

約数和(自身を除く): 616807440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 80627, 161254, 241881, 322508, 403135, 483762, 645016, 725643, 806270, 967524, 1209405, 1451286, 1612540, 1935048, 2176929, 2418810, 2902572, 3225080, 3628215, 4353858, 4837620, 5805144, 6530787, 7256430, 8707716, 9675240, 10884645, 13061574, 14512860, 17415432, 21769290, 26123148, 29025720, 32653935, 43538580, 52246296, 65307870, 87077160, 130615740, 261231480]

約数ペア:

[(1, 261231480), (2, 130615740), (3, 87077160), (4, 65307870), (5, 52246296), (6, 43538580), (8, 32653935), (9, 29025720), (10, 26123148), (12, 21769290), (15, 17415432), (18, 14512860), (20, 13061574), (24, 10884645), (27, 9675240), (30, 8707716), (36, 7256430), (40, 6530787), (45, 5805144), (54, 4837620), (60, 4353858), (72, 3628215), (81, 3225080), (90, 2902572), (108, 2418810), (120, 2176929), (135, 1935048), (162, 1612540), (180, 1451286), (216, 1209405), (270, 967524), (324, 806270), (360, 725643), (405, 645016), (540, 483762), (648, 403135), (810, 322508), (1080, 241881), (1620, 161254), (3240, 80627)]