19728960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20551}}^1$

素因数の和:20571

約数の個数: 56

約数和(自身を含む): 62642496

約数和(自身を除く): 42913536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20551, 41102, 61653, 82204, 102755, 123306, 164408, 205510, 246612, 308265, 328816, 411020, 493224, 616530, 657632, 822040, 986448, 1233060, 1315264, 1644080, 1972896, 2466120, 3288160, 3945792, 4932240, 6576320, 9864480, 19728960]

約数ペア:

[(1, 19728960), (2, 9864480), (3, 6576320), (4, 4932240), (5, 3945792), (6, 3288160), (8, 2466120), (10, 1972896), (12, 1644080), (15, 1315264), (16, 1233060), (20, 986448), (24, 822040), (30, 657632), (32, 616530), (40, 493224), (48, 411020), (60, 328816), (64, 308265), (80, 246612), (96, 205510), (120, 164408), (160, 123306), (192, 102755), (240, 82204), (320, 61653), (480, 41102), (960, 20551)]