131383440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:997

約数の個数: 120

約数和(自身を含む): 443596608

約数和(自身を除く): 312213168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 251, 360, 502, 720, 727, 753, 1004, 1255, 1454, 1506, 2008, 2181, 2259, 2510, 2908, 3012, 3635, 3765, 4016, 4362, 4518, 5020, 5816, 6024, 6543, 7270, 7530, 8724, 9036, 10040, 10905, 11295, 11632, 12048, 13086, 14540, 15060, 17448, 18072, 20080, 21810, 22590, 26172, 29080, 30120, 32715, 34896, 36144, 43620, 45180, 52344, 58160, 60240, 65430, 87240, 90360, 104688, 130860, 174480, 180720, 182477, 261720, 364954, 523440, 547431, 729908, 912385, 1094862, 1459816, 1642293, 1824770, 2189724, 2737155, 2919632, 3284586, 3649540, 4379448, 5474310, 6569172, 7299080, 8211465, 8758896, 10948620, 13138344, 14598160, 16422930, 21897240, 26276688, 32845860, 43794480, 65691720, 131383440]

約数ペア:

[(1, 131383440), (2, 65691720), (3, 43794480), (4, 32845860), (5, 26276688), (6, 21897240), (8, 16422930), (9, 14598160), (10, 13138344), (12, 10948620), (15, 8758896), (16, 8211465), (18, 7299080), (20, 6569172), (24, 5474310), (30, 4379448), (36, 3649540), (40, 3284586), (45, 2919632), (48, 2737155), (60, 2189724), (72, 1824770), (80, 1642293), (90, 1459816), (120, 1094862), (144, 912385), (180, 729908), (240, 547431), (251, 523440), (360, 364954), (502, 261720), (720, 182477), (727, 180720), (753, 174480), (1004, 130860), (1255, 104688), (1454, 90360), (1506, 87240), (2008, 65430), (2181, 60240), (2259, 58160), (2510, 52344), (2908, 45180), (3012, 43620), (3635, 36144), (3765, 34896), (4016, 32715), (4362, 30120), (4518, 29080), (5020, 26172), (5816, 22590), (6024, 21810), (6543, 20080), (7270, 18072), (7530, 17448), (8724, 15060), (9036, 14540), (10040, 13086), (10905, 12048), (11295, 11632)]