1331192000

素因数分解:

$2^6\times 5^3\times {\mathrm{166399}}^1$

素因数の和:166426

約数の個数: 56

約数和(自身を含む): 3296716800

約数和(自身を除く): 1965524800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 166399, 332798, 665596, 831995, 1331192, 1663990, 2662384, 3327980, 4159975, 5324768, 6655960, 8319950, 10649536, 13311920, 16639900, 20799875, 26623840, 33279800, 41599750, 53247680, 66559600, 83199500, 133119200, 166399000, 266238400, 332798000, 665596000, 1331192000]

約数ペア:

[(1, 1331192000), (2, 665596000), (4, 332798000), (5, 266238400), (8, 166399000), (10, 133119200), (16, 83199500), (20, 66559600), (25, 53247680), (32, 41599750), (40, 33279800), (50, 26623840), (64, 20799875), (80, 16639900), (100, 13311920), (125, 10649536), (160, 8319950), (200, 6655960), (250, 5324768), (320, 4159975), (400, 3327980), (500, 2662384), (800, 1663990), (1000, 1331192), (1600, 831995), (2000, 665596), (4000, 332798), (8000, 166399)]