63980840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20773}}^1$

素因数の和:20802

約数の個数: 64

約数和(自身を含む): 179487360

約数和(自身を除く): 115506520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 20773, 41546, 83092, 103865, 145411, 166184, 207730, 228503, 290822, 415460, 457006, 581644, 727055, 830920, 914012, 1142515, 1163288, 1454110, 1599521, 1828024, 2285030, 2908220, 3199042, 4570060, 5816440, 6398084, 7997605, 9140120, 12796168, 15995210, 31990420, 63980840]

約数ペア:

[(1, 63980840), (2, 31990420), (4, 15995210), (5, 12796168), (7, 9140120), (8, 7997605), (10, 6398084), (11, 5816440), (14, 4570060), (20, 3199042), (22, 2908220), (28, 2285030), (35, 1828024), (40, 1599521), (44, 1454110), (55, 1163288), (56, 1142515), (70, 914012), (77, 830920), (88, 727055), (110, 581644), (140, 457006), (154, 415460), (220, 290822), (280, 228503), (308, 207730), (385, 166184), (440, 145411), (616, 103865), (770, 83092), (1540, 41546), (3080, 20773)]