71390080

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 171690480

約数和(自身を除く): 100300400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 337, 640, 662, 674, 1324, 1348, 1655, 1685, 2648, 2696, 3310, 3370, 5296, 5392, 6620, 6740, 10592, 10784, 13240, 13480, 21184, 21568, 26480, 26960, 42368, 43136, 52960, 53920, 105920, 107840, 111547, 211840, 215680, 223094, 446188, 557735, 892376, 1115470, 1784752, 2230940, 3569504, 4461880, 7139008, 8923760, 14278016, 17847520, 35695040, 71390080]

約数ペア:

[(1, 71390080), (2, 35695040), (4, 17847520), (5, 14278016), (8, 8923760), (10, 7139008), (16, 4461880), (20, 3569504), (32, 2230940), (40, 1784752), (64, 1115470), (80, 892376), (128, 557735), (160, 446188), (320, 223094), (331, 215680), (337, 211840), (640, 111547), (662, 107840), (674, 105920), (1324, 53920), (1348, 52960), (1655, 43136), (1685, 42368), (2648, 26960), (2696, 26480), (3310, 21568), (3370, 21184), (5296, 13480), (5392, 13240), (6620, 10784), (6740, 10592)]