71709760

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{809}}^1$

素因数の和:1103

約数の個数: 56

約数和(自身を含む): 171587160

約数和(自身を除く): 99877400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 554, 809, 1108, 1385, 1618, 2216, 2770, 3236, 4045, 4432, 5540, 6472, 8090, 8864, 11080, 12944, 16180, 17728, 22160, 25888, 32360, 44320, 51776, 64720, 88640, 129440, 224093, 258880, 448186, 896372, 1120465, 1792744, 2240930, 3585488, 4481860, 7170976, 8963720, 14341952, 17927440, 35854880, 71709760]

約数ペア:

[(1, 71709760), (2, 35854880), (4, 17927440), (5, 14341952), (8, 8963720), (10, 7170976), (16, 4481860), (20, 3585488), (32, 2240930), (40, 1792744), (64, 1120465), (80, 896372), (160, 448186), (277, 258880), (320, 224093), (554, 129440), (809, 88640), (1108, 64720), (1385, 51776), (1618, 44320), (2216, 32360), (2770, 25888), (3236, 22160), (4045, 17728), (4432, 16180), (5540, 12944), (6472, 11080), (8090, 8864)]