2921209600

素因数分解:

$2^8\times 5^2\times {\mathrm{456439}}^1$

素因数の和:456465

約数の個数: 54

約数和(自身を含む): 7230466040

約数和(自身を除く): 4309256440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 456439, 912878, 1825756, 2282195, 3651512, 4564390, 7303024, 9128780, 11410975, 14606048, 18257560, 22821950, 29212096, 36515120, 45643900, 58424192, 73030240, 91287800, 116848384, 146060480, 182575600, 292120960, 365151200, 584241920, 730302400, 1460604800, 2921209600]

約数ペア:

[(1, 2921209600), (2, 1460604800), (4, 730302400), (5, 584241920), (8, 365151200), (10, 292120960), (16, 182575600), (20, 146060480), (25, 116848384), (32, 91287800), (40, 73030240), (50, 58424192), (64, 45643900), (80, 36515120), (100, 29212096), (128, 22821950), (160, 18257560), (200, 14606048), (256, 11410975), (320, 9128780), (400, 7303024), (640, 4564390), (800, 3651512), (1280, 2282195), (1600, 1825756), (3200, 912878), (6400, 456439)]