79681280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8893}}^1$

素因数の和:8921

約数の個数: 72

約数和(自身を含む): 218152032

約数和(自身を除く): 138470752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8893, 8960, 17786, 35572, 44465, 62251, 71144, 88930, 124502, 142288, 177860, 249004, 284576, 311255, 355720, 498008, 569152, 622510, 711440, 996016, 1138304, 1245020, 1422880, 1992032, 2276608, 2490040, 2845760, 3984064, 4980080, 5691520, 7968128, 9960160, 11383040, 15936256, 19920320, 39840640, 79681280]

約数ペア:

[(1, 79681280), (2, 39840640), (4, 19920320), (5, 15936256), (7, 11383040), (8, 9960160), (10, 7968128), (14, 5691520), (16, 4980080), (20, 3984064), (28, 2845760), (32, 2490040), (35, 2276608), (40, 1992032), (56, 1422880), (64, 1245020), (70, 1138304), (80, 996016), (112, 711440), (128, 622510), (140, 569152), (160, 498008), (224, 355720), (256, 311255), (280, 284576), (320, 249004), (448, 177860), (560, 142288), (640, 124502), (896, 88930), (1120, 71144), (1280, 62251), (1792, 44465), (2240, 35572), (4480, 17786), (8893, 8960)]