121484800

素因数分解:

$2^9\times 5^2\times {\mathrm{9491}}^1$

素因数の和:9519

約数の個数: 60

約数和(自身を含む): 301019796

約数和(自身を除く): 179534996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 9491, 12800, 18982, 37964, 47455, 75928, 94910, 151856, 189820, 237275, 303712, 379640, 474550, 607424, 759280, 949100, 1214848, 1518560, 1898200, 2429696, 3037120, 3796400, 4859392, 6074240, 7592800, 12148480, 15185600, 24296960, 30371200, 60742400, 121484800]

約数ペア:

[(1, 121484800), (2, 60742400), (4, 30371200), (5, 24296960), (8, 15185600), (10, 12148480), (16, 7592800), (20, 6074240), (25, 4859392), (32, 3796400), (40, 3037120), (50, 2429696), (64, 1898200), (80, 1518560), (100, 1214848), (128, 949100), (160, 759280), (200, 607424), (256, 474550), (320, 379640), (400, 303712), (512, 237275), (640, 189820), (800, 151856), (1280, 94910), (1600, 75928), (2560, 47455), (3200, 37964), (6400, 18982), (9491, 12800)]