460622720

素因数分解:

$2^7\times 5^1\times {\mathrm{719723}}^1$

素因数の和:719742

約数の個数: 32

約数和(自身を含む): 1101177720

約数和(自身を除く): 640555000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 719723, 1439446, 2878892, 3598615, 5757784, 7197230, 11515568, 14394460, 23031136, 28788920, 46062272, 57577840, 92124544, 115155680, 230311360, 460622720]

約数ペア:

[(1, 460622720), (2, 230311360), (4, 115155680), (5, 92124544), (8, 57577840), (10, 46062272), (16, 28788920), (20, 23031136), (32, 14394460), (40, 11515568), (64, 7197230), (80, 5757784), (128, 3598615), (160, 2878892), (320, 1439446), (640, 719723)]