77469280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{263}}^2$

素因数の和:548

約数の個数: 72

約数和(自身を含む): 209965392

約数和(自身を除く): 132496112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 263, 280, 526, 560, 1052, 1120, 1315, 1841, 2104, 2630, 3682, 4208, 5260, 7364, 8416, 9205, 10520, 14728, 18410, 21040, 29456, 36820, 42080, 58912, 69169, 73640, 138338, 147280, 276676, 294560, 345845, 484183, 553352, 691690, 968366, 1106704, 1383380, 1936732, 2213408, 2420915, 2766760, 3873464, 4841830, 5533520, 7746928, 9683660, 11067040, 15493856, 19367320, 38734640, 77469280]

約数ペア:

[(1, 77469280), (2, 38734640), (4, 19367320), (5, 15493856), (7, 11067040), (8, 9683660), (10, 7746928), (14, 5533520), (16, 4841830), (20, 3873464), (28, 2766760), (32, 2420915), (35, 2213408), (40, 1936732), (56, 1383380), (70, 1106704), (80, 968366), (112, 691690), (140, 553352), (160, 484183), (224, 345845), (263, 294560), (280, 276676), (526, 147280), (560, 138338), (1052, 73640), (1120, 69169), (1315, 58912), (1841, 42080), (2104, 36820), (2630, 29456), (3682, 21040), (4208, 18410), (5260, 14728), (7364, 10520), (8416, 9205)]