21561600

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1123}}^1$

素因数の和:1152

約数の個数: 108

約数和(自身を含む): 71221136

約数和(自身を除く): 49659536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1123, 1200, 1280, 1600, 1920, 2246, 2400, 3200, 3369, 3840, 4492, 4800, 5615, 6400, 6738, 8984, 9600, 11230, 13476, 16845, 17968, 19200, 22460, 26952, 28075, 33690, 35936, 44920, 53904, 56150, 67380, 71872, 84225, 89840, 107808, 112300, 134760, 143744, 168450, 179680, 215616, 224600, 269520, 287488, 336900, 359360, 431232, 449200, 539040, 673800, 718720, 862464, 898400, 1078080, 1347600, 1437440, 1796800, 2156160, 2695200, 3593600, 4312320, 5390400, 7187200, 10780800, 21561600]

約数ペア:

[(1, 21561600), (2, 10780800), (3, 7187200), (4, 5390400), (5, 4312320), (6, 3593600), (8, 2695200), (10, 2156160), (12, 1796800), (15, 1437440), (16, 1347600), (20, 1078080), (24, 898400), (25, 862464), (30, 718720), (32, 673800), (40, 539040), (48, 449200), (50, 431232), (60, 359360), (64, 336900), (75, 287488), (80, 269520), (96, 224600), (100, 215616), (120, 179680), (128, 168450), (150, 143744), (160, 134760), (192, 112300), (200, 107808), (240, 89840), (256, 84225), (300, 71872), (320, 67380), (384, 56150), (400, 53904), (480, 44920), (600, 35936), (640, 33690), (768, 28075), (800, 26952), (960, 22460), (1123, 19200), (1200, 17968), (1280, 16845), (1600, 13476), (1920, 11230), (2246, 9600), (2400, 8984), (3200, 6738), (3369, 6400), (3840, 5615), (4492, 4800)]