205980000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{3433}}^1$

素因数の和:3466

約数の個数: 120

約数和(自身を含む): 675852408

約数和(自身を除く): 469872408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3433, 3750, 4000, 5000, 6000, 6866, 7500, 10000, 10299, 12000, 13732, 15000, 17165, 20000, 20598, 27464, 30000, 34330, 41196, 51495, 54928, 60000, 68660, 82392, 85825, 102990, 109856, 137320, 164784, 171650, 205980, 257475, 274640, 329568, 343300, 411960, 429125, 514950, 549280, 686600, 823920, 858250, 1029900, 1287375, 1373200, 1647840, 1716500, 2059800, 2145625, 2574750, 2746400, 3433000, 4119600, 4291250, 5149500, 6436875, 6866000, 8239200, 8582500, 10299000, 12873750, 13732000, 17165000, 20598000, 25747500, 34330000, 41196000, 51495000, 68660000, 102990000, 205980000]

約数ペア:

[(1, 205980000), (2, 102990000), (3, 68660000), (4, 51495000), (5, 41196000), (6, 34330000), (8, 25747500), (10, 20598000), (12, 17165000), (15, 13732000), (16, 12873750), (20, 10299000), (24, 8582500), (25, 8239200), (30, 6866000), (32, 6436875), (40, 5149500), (48, 4291250), (50, 4119600), (60, 3433000), (75, 2746400), (80, 2574750), (96, 2145625), (100, 2059800), (120, 1716500), (125, 1647840), (150, 1373200), (160, 1287375), (200, 1029900), (240, 858250), (250, 823920), (300, 686600), (375, 549280), (400, 514950), (480, 429125), (500, 411960), (600, 343300), (625, 329568), (750, 274640), (800, 257475), (1000, 205980), (1200, 171650), (1250, 164784), (1500, 137320), (1875, 109856), (2000, 102990), (2400, 85825), (2500, 82392), (3000, 68660), (3433, 60000), (3750, 54928), (4000, 51495), (5000, 41196), (6000, 34330), (6866, 30000), (7500, 27464), (10000, 20598), (10299, 20000), (12000, 17165), (13732, 15000)]