2157675420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4987}}^1\times {\mathrm{7211}}^1$

素因数の和:12210

約数の個数: 48

約数和(自身を含む): 6043540608

約数和(自身を除く): 3885865188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4987, 7211, 9974, 14422, 14961, 19948, 21633, 24935, 28844, 29922, 36055, 43266, 49870, 59844, 72110, 74805, 86532, 99740, 108165, 144220, 149610, 216330, 299220, 432660, 35961257, 71922514, 107883771, 143845028, 179806285, 215767542, 359612570, 431535084, 539418855, 719225140, 1078837710, 2157675420]

約数ペア:

[(1, 2157675420), (2, 1078837710), (3, 719225140), (4, 539418855), (5, 431535084), (6, 359612570), (10, 215767542), (12, 179806285), (15, 143845028), (20, 107883771), (30, 71922514), (60, 35961257), (4987, 432660), (7211, 299220), (9974, 216330), (14422, 149610), (14961, 144220), (19948, 108165), (21633, 99740), (24935, 86532), (28844, 74805), (29922, 72110), (36055, 59844), (43266, 49870)]