21648960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7517}}^1$

素因数の和:7540

約数の個数: 84

約数和(自身を含む): 74473308

約数和(自身を除く): 52824348

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, 7517, 15034, 22551, 30068, 37585, 45102, 60136, 67653, 75170, 90204, 112755, 120272, 135306, 150340, 180408, 225510, 240544, 270612, 300680, 338265, 360816, 451020, 481088, 541224, 601360, 676530, 721632, 902040, 1082448, 1202720, 1353060, 1443264, 1804080, 2164896, 2405440, 2706120, 3608160, 4329792, 5412240, 7216320, 10824480, 21648960]

約数ペア:

[(1, 21648960), (2, 10824480), (3, 7216320), (4, 5412240), (5, 4329792), (6, 3608160), (8, 2706120), (9, 2405440), (10, 2164896), (12, 1804080), (15, 1443264), (16, 1353060), (18, 1202720), (20, 1082448), (24, 902040), (30, 721632), (32, 676530), (36, 601360), (40, 541224), (45, 481088), (48, 451020), (60, 360816), (64, 338265), (72, 300680), (80, 270612), (90, 240544), (96, 225510), (120, 180408), (144, 150340), (160, 135306), (180, 120272), (192, 112755), (240, 90204), (288, 75170), (320, 67653), (360, 60136), (480, 45102), (576, 37585), (720, 30068), (960, 22551), (1440, 15034), (2880, 7517)]