140075360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{911}}^1$

素因数の和:988

約数の個数: 72

約数和(自身を含む): 342322848

約数和(自身を除く): 202247488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 911, 961, 992, 1240, 1822, 1922, 2480, 3644, 3844, 4555, 4805, 4960, 7288, 7688, 9110, 9610, 14576, 15376, 18220, 19220, 28241, 29152, 30752, 36440, 38440, 56482, 72880, 76880, 112964, 141205, 145760, 153760, 225928, 282410, 451856, 564820, 875471, 903712, 1129640, 1750942, 2259280, 3501884, 4377355, 4518560, 7003768, 8754710, 14007536, 17509420, 28015072, 35018840, 70037680, 140075360]

約数ペア:

[(1, 140075360), (2, 70037680), (4, 35018840), (5, 28015072), (8, 17509420), (10, 14007536), (16, 8754710), (20, 7003768), (31, 4518560), (32, 4377355), (40, 3501884), (62, 2259280), (80, 1750942), (124, 1129640), (155, 903712), (160, 875471), (248, 564820), (310, 451856), (496, 282410), (620, 225928), (911, 153760), (961, 145760), (992, 141205), (1240, 112964), (1822, 76880), (1922, 72880), (2480, 56482), (3644, 38440), (3844, 36440), (4555, 30752), (4805, 29152), (4960, 28241), (7288, 19220), (7688, 18220), (9110, 15376), (9610, 14576)]