77883680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69539}}^1$

素因数の和:69561

約数の個数: 48

約数和(自身を含む): 210288960

約数和(自身を除く): 132405280

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, 69539, 139078, 278156, 347695, 486773, 556312, 695390, 973546, 1112624, 1390780, 1947092, 2225248, 2433865, 2781560, 3894184, 4867730, 5563120, 7788368, 9735460, 11126240, 15576736, 19470920, 38941840, 77883680]

約数ペア:

[(1, 77883680), (2, 38941840), (4, 19470920), (5, 15576736), (7, 11126240), (8, 9735460), (10, 7788368), (14, 5563120), (16, 4867730), (20, 3894184), (28, 2781560), (32, 2433865), (35, 2225248), (40, 1947092), (56, 1390780), (70, 1112624), (80, 973546), (112, 695390), (140, 556312), (160, 486773), (224, 347695), (280, 278156), (560, 139078), (1120, 69539)]