1271718560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{162209}}^1$

素因数の和:162238

約数の個数: 72

約数和(自身を含む): 3494976660

約数和(自身を除く): 2223258100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 162209, 324418, 648836, 811045, 1135463, 1297672, 1622090, 2270926, 2595344, 3244180, 4541852, 5190688, 5677315, 6488360, 7948241, 9083704, 11354630, 12976720, 15896482, 18167408, 22709260, 25953440, 31792964, 36334816, 39741205, 45418520, 63585928, 79482410, 90837040, 127171856, 158964820, 181674080, 254343712, 317929640, 635859280, 1271718560]

約数ペア:

[(1, 1271718560), (2, 635859280), (4, 317929640), (5, 254343712), (7, 181674080), (8, 158964820), (10, 127171856), (14, 90837040), (16, 79482410), (20, 63585928), (28, 45418520), (32, 39741205), (35, 36334816), (40, 31792964), (49, 25953440), (56, 22709260), (70, 18167408), (80, 15896482), (98, 12976720), (112, 11354630), (140, 9083704), (160, 7948241), (196, 6488360), (224, 5677315), (245, 5190688), (280, 4541852), (392, 3244180), (490, 2595344), (560, 2270926), (784, 1622090), (980, 1297672), (1120, 1135463), (1568, 811045), (1960, 648836), (3920, 324418), (7840, 162209)]