21480960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2797}}^1$

素因数の和:2823

約数の個数: 80

約数和(自身を含む): 68696496

約数和(自身を除く): 47215536

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, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2797, 3840, 5594, 7680, 8391, 11188, 13985, 16782, 22376, 27970, 33564, 41955, 44752, 55940, 67128, 83910, 89504, 111880, 134256, 167820, 179008, 223760, 268512, 335640, 358016, 447520, 537024, 671280, 716032, 895040, 1074048, 1342560, 1432064, 1790080, 2148096, 2685120, 3580160, 4296192, 5370240, 7160320, 10740480, 21480960]

約数ペア:

[(1, 21480960), (2, 10740480), (3, 7160320), (4, 5370240), (5, 4296192), (6, 3580160), (8, 2685120), (10, 2148096), (12, 1790080), (15, 1432064), (16, 1342560), (20, 1074048), (24, 895040), (30, 716032), (32, 671280), (40, 537024), (48, 447520), (60, 358016), (64, 335640), (80, 268512), (96, 223760), (120, 179008), (128, 167820), (160, 134256), (192, 111880), (240, 89504), (256, 83910), (320, 67128), (384, 55940), (480, 44752), (512, 41955), (640, 33564), (768, 27970), (960, 22376), (1280, 16782), (1536, 13985), (1920, 11188), (2560, 8391), (2797, 7680), (3840, 5594)]