20784000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{433}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 69058080

約数和(自身を除く): 48274080

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, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 433, 480, 500, 600, 640, 750, 800, 866, 960, 1000, 1200, 1299, 1500, 1600, 1732, 1920, 2000, 2165, 2400, 2598, 3000, 3200, 3464, 4000, 4330, 4800, 5196, 6000, 6495, 6928, 8000, 8660, 9600, 10392, 10825, 12000, 12990, 13856, 16000, 17320, 20784, 21650, 24000, 25980, 27712, 32475, 34640, 41568, 43300, 48000, 51960, 54125, 55424, 64950, 69280, 83136, 86600, 103920, 108250, 129900, 138560, 162375, 166272, 173200, 207840, 216500, 259800, 277120, 324750, 346400, 415680, 433000, 519600, 649500, 692800, 831360, 866000, 1039200, 1299000, 1385600, 1732000, 2078400, 2598000, 3464000, 4156800, 5196000, 6928000, 10392000, 20784000]

約数ペア:

[(1, 20784000), (2, 10392000), (3, 6928000), (4, 5196000), (5, 4156800), (6, 3464000), (8, 2598000), (10, 2078400), (12, 1732000), (15, 1385600), (16, 1299000), (20, 1039200), (24, 866000), (25, 831360), (30, 692800), (32, 649500), (40, 519600), (48, 433000), (50, 415680), (60, 346400), (64, 324750), (75, 277120), (80, 259800), (96, 216500), (100, 207840), (120, 173200), (125, 166272), (128, 162375), (150, 138560), (160, 129900), (192, 108250), (200, 103920), (240, 86600), (250, 83136), (300, 69280), (320, 64950), (375, 55424), (384, 54125), (400, 51960), (433, 48000), (480, 43300), (500, 41568), (600, 34640), (640, 32475), (750, 27712), (800, 25980), (866, 24000), (960, 21650), (1000, 20784), (1200, 17320), (1299, 16000), (1500, 13856), (1600, 12990), (1732, 12000), (1920, 10825), (2000, 10392), (2165, 9600), (2400, 8660), (2598, 8000), (3000, 6928), (3200, 6495), (3464, 6000), (4000, 5196), (4330, 4800)]