68305720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 177681600

約数和(自身を除く): 109375880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2741, 3115, 3560, 4984, 5482, 6230, 10964, 12460, 13705, 19187, 21928, 24920, 27410, 38374, 54820, 76748, 95935, 109640, 153496, 191870, 243949, 383740, 487898, 767480, 975796, 1219745, 1707643, 1951592, 2439490, 3415286, 4878980, 6830572, 8538215, 9757960, 13661144, 17076430, 34152860, 68305720]

約数ペア:

[(1, 68305720), (2, 34152860), (4, 17076430), (5, 13661144), (7, 9757960), (8, 8538215), (10, 6830572), (14, 4878980), (20, 3415286), (28, 2439490), (35, 1951592), (40, 1707643), (56, 1219745), (70, 975796), (89, 767480), (140, 487898), (178, 383740), (280, 243949), (356, 191870), (445, 153496), (623, 109640), (712, 95935), (890, 76748), (1246, 54820), (1780, 38374), (2492, 27410), (2741, 24920), (3115, 21928), (3560, 19187), (4984, 13705), (5482, 12460), (6230, 10964)]