18720960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19501}}^1$

素因数の和:19521

約数の個数: 56

約数和(自身を含む): 59442096

約数和(自身を除く): 40721136

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, 19501, 39002, 58503, 78004, 97505, 117006, 156008, 195010, 234012, 292515, 312016, 390020, 468024, 585030, 624032, 780040, 936048, 1170060, 1248064, 1560080, 1872096, 2340120, 3120160, 3744192, 4680240, 6240320, 9360480, 18720960]

約数ペア:

[(1, 18720960), (2, 9360480), (3, 6240320), (4, 4680240), (5, 3744192), (6, 3120160), (8, 2340120), (10, 1872096), (12, 1560080), (15, 1248064), (16, 1170060), (20, 936048), (24, 780040), (30, 624032), (32, 585030), (40, 468024), (48, 390020), (60, 312016), (64, 292515), (80, 234012), (96, 195010), (120, 156008), (160, 117006), (192, 97505), (240, 78004), (320, 58503), (480, 39002), (960, 19501)]