18840680640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6541903}}^1$

素因数の和:6541926

約数の個数: 84

約数和(自身を含む): 64804101024

約数和(自身を除く): 45963420384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6541903, 13083806, 19625709, 26167612, 32709515, 39251418, 52335224, 58877127, 65419030, 78502836, 98128545, 104670448, 117754254, 130838060, 157005672, 196257090, 209340896, 235508508, 261676120, 294385635, 314011344, 392514180, 418681792, 471017016, 523352240, 588771270, 628022688, 785028360, 942034032, 1046704480, 1177542540, 1256045376, 1570056720, 1884068064, 2093408960, 2355085080, 3140113440, 3768136128, 4710170160, 6280226880, 9420340320, 18840680640]

約数ペア:

[(1, 18840680640), (2, 9420340320), (3, 6280226880), (4, 4710170160), (5, 3768136128), (6, 3140113440), (8, 2355085080), (9, 2093408960), (10, 1884068064), (12, 1570056720), (15, 1256045376), (16, 1177542540), (18, 1046704480), (20, 942034032), (24, 785028360), (30, 628022688), (32, 588771270), (36, 523352240), (40, 471017016), (45, 418681792), (48, 392514180), (60, 314011344), (64, 294385635), (72, 261676120), (80, 235508508), (90, 209340896), (96, 196257090), (120, 157005672), (144, 130838060), (160, 117754254), (180, 104670448), (192, 98128545), (240, 78502836), (288, 65419030), (320, 58877127), (360, 52335224), (480, 39251418), (576, 32709515), (720, 26167612), (960, 19625709), (1440, 13083806), (2880, 6541903)]