120128000

素因数分解:

$2^9\times 5^3\times {\mathrm{1877}}^1$

素因数の和:1910

約数の個数: 80

約数和(自身を含む): 299706264

約数和(自身を除く): 179578264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1600, 1877, 2000, 2560, 3200, 3754, 4000, 6400, 7508, 8000, 9385, 12800, 15016, 16000, 18770, 30032, 32000, 37540, 46925, 60064, 64000, 75080, 93850, 120128, 150160, 187700, 234625, 240256, 300320, 375400, 469250, 480512, 600640, 750800, 938500, 961024, 1201280, 1501600, 1877000, 2402560, 3003200, 3754000, 4805120, 6006400, 7508000, 12012800, 15016000, 24025600, 30032000, 60064000, 120128000]

約数ペア:

[(1, 120128000), (2, 60064000), (4, 30032000), (5, 24025600), (8, 15016000), (10, 12012800), (16, 7508000), (20, 6006400), (25, 4805120), (32, 3754000), (40, 3003200), (50, 2402560), (64, 1877000), (80, 1501600), (100, 1201280), (125, 961024), (128, 938500), (160, 750800), (200, 600640), (250, 480512), (256, 469250), (320, 375400), (400, 300320), (500, 240256), (512, 234625), (640, 187700), (800, 150160), (1000, 120128), (1280, 93850), (1600, 75080), (1877, 64000), (2000, 60064), (2560, 46925), (3200, 37540), (3754, 32000), (4000, 30032), (6400, 18770), (7508, 16000), (8000, 15016), (9385, 12800)]