21895680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2851}}^1$

素因数の和:2877

約数の個数: 80

約数和(自身を含む): 70022304

約数和(自身を除く): 48126624

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, 2851, 3840, 5702, 7680, 8553, 11404, 14255, 17106, 22808, 28510, 34212, 42765, 45616, 57020, 68424, 85530, 91232, 114040, 136848, 171060, 182464, 228080, 273696, 342120, 364928, 456160, 547392, 684240, 729856, 912320, 1094784, 1368480, 1459712, 1824640, 2189568, 2736960, 3649280, 4379136, 5473920, 7298560, 10947840, 21895680]

約数ペア:

[(1, 21895680), (2, 10947840), (3, 7298560), (4, 5473920), (5, 4379136), (6, 3649280), (8, 2736960), (10, 2189568), (12, 1824640), (15, 1459712), (16, 1368480), (20, 1094784), (24, 912320), (30, 729856), (32, 684240), (40, 547392), (48, 456160), (60, 364928), (64, 342120), (80, 273696), (96, 228080), (120, 182464), (128, 171060), (160, 136848), (192, 114040), (240, 91232), (256, 85530), (320, 68424), (384, 57020), (480, 45616), (512, 42765), (640, 34212), (768, 28510), (960, 22808), (1280, 17106), (1536, 14255), (1920, 11404), (2560, 8553), (2851, 7680), (3840, 5702)]