20620800

素因数分解:

$2^9\times 3^2\times 5^2\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 180

約数和(自身を含む): 74208420

約数和(自身を除く): 53587620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 179, 180, 192, 200, 225, 240, 256, 288, 300, 320, 358, 360, 384, 400, 450, 480, 512, 537, 576, 600, 640, 716, 720, 768, 800, 895, 900, 960, 1074, 1152, 1200, 1280, 1432, 1440, 1536, 1600, 1611, 1790, 1800, 1920, 2148, 2304, 2400, 2560, 2685, 2864, 2880, 3200, 3222, 3580, 3600, 3840, 4296, 4475, 4608, 4800, 5370, 5728, 5760, 6400, 6444, 7160, 7200, 7680, 8055, 8592, 8950, 9600, 10740, 11456, 11520, 12800, 12888, 13425, 14320, 14400, 16110, 17184, 17900, 19200, 21480, 22912, 23040, 25776, 26850, 28640, 28800, 32220, 34368, 35800, 38400, 40275, 42960, 45824, 51552, 53700, 57280, 57600, 64440, 68736, 71600, 80550, 85920, 91648, 103104, 107400, 114560, 115200, 128880, 137472, 143200, 161100, 171840, 206208, 214800, 229120, 257760, 274944, 286400, 322200, 343680, 412416, 429600, 458240, 515520, 572800, 644400, 687360, 824832, 859200, 1031040, 1145600, 1288800, 1374720, 1718400, 2062080, 2291200, 2577600, 3436800, 4124160, 5155200, 6873600, 10310400, 20620800]

約数ペア:

[(1, 20620800), (2, 10310400), (3, 6873600), (4, 5155200), (5, 4124160), (6, 3436800), (8, 2577600), (9, 2291200), (10, 2062080), (12, 1718400), (15, 1374720), (16, 1288800), (18, 1145600), (20, 1031040), (24, 859200), (25, 824832), (30, 687360), (32, 644400), (36, 572800), (40, 515520), (45, 458240), (48, 429600), (50, 412416), (60, 343680), (64, 322200), (72, 286400), (75, 274944), (80, 257760), (90, 229120), (96, 214800), (100, 206208), (120, 171840), (128, 161100), (144, 143200), (150, 137472), (160, 128880), (179, 115200), (180, 114560), (192, 107400), (200, 103104), (225, 91648), (240, 85920), (256, 80550), (288, 71600), (300, 68736), (320, 64440), (358, 57600), (360, 57280), (384, 53700), (400, 51552), (450, 45824), (480, 42960), (512, 40275), (537, 38400), (576, 35800), (600, 34368), (640, 32220), (716, 28800), (720, 28640), (768, 26850), (800, 25776), (895, 23040), (900, 22912), (960, 21480), (1074, 19200), (1152, 17900), (1200, 17184), (1280, 16110), (1432, 14400), (1440, 14320), (1536, 13425), (1600, 12888), (1611, 12800), (1790, 11520), (1800, 11456), (1920, 10740), (2148, 9600), (2304, 8950), (2400, 8592), (2560, 8055), (2685, 7680), (2864, 7200), (2880, 7160), (3200, 6444), (3222, 6400), (3580, 5760), (3600, 5728), (3840, 5370), (4296, 4800), (4475, 4608)]