77829920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69491}}^1$

素因数の和:69513

約数の個数: 48

約数和(自身を含む): 210143808

約数和(自身を除く): 132313888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69491, 138982, 277964, 347455, 486437, 555928, 694910, 972874, 1111856, 1389820, 1945748, 2223712, 2432185, 2779640, 3891496, 4864370, 5559280, 7782992, 9728740, 11118560, 15565984, 19457480, 38914960, 77829920]

約数ペア:

[(1, 77829920), (2, 38914960), (4, 19457480), (5, 15565984), (7, 11118560), (8, 9728740), (10, 7782992), (14, 5559280), (16, 4864370), (20, 3891496), (28, 2779640), (32, 2432185), (35, 2223712), (40, 1945748), (56, 1389820), (70, 1111856), (80, 972874), (112, 694910), (140, 555928), (160, 486437), (224, 347455), (280, 277964), (560, 138982), (1120, 69491)]