81087840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56311}}^1$

素因数の和:56332

約数の個数: 72

約数和(自身を含む): 276717168

約数和(自身を除く): 195629328

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56311, 112622, 168933, 225244, 281555, 337866, 450488, 506799, 563110, 675732, 844665, 900976, 1013598, 1126220, 1351464, 1689330, 1801952, 2027196, 2252440, 2533995, 2702928, 3378660, 4054392, 4504880, 5067990, 5405856, 6757320, 8108784, 9009760, 10135980, 13514640, 16217568, 20271960, 27029280, 40543920, 81087840]

約数ペア:

[(1, 81087840), (2, 40543920), (3, 27029280), (4, 20271960), (5, 16217568), (6, 13514640), (8, 10135980), (9, 9009760), (10, 8108784), (12, 6757320), (15, 5405856), (16, 5067990), (18, 4504880), (20, 4054392), (24, 3378660), (30, 2702928), (32, 2533995), (36, 2252440), (40, 2027196), (45, 1801952), (48, 1689330), (60, 1351464), (72, 1126220), (80, 1013598), (90, 900976), (96, 844665), (120, 675732), (144, 563110), (160, 506799), (180, 450488), (240, 337866), (288, 281555), (360, 225244), (480, 168933), (720, 112622), (1440, 56311)]