72151880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1877}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 167836860

約数和(自身を除く): 95684980

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1877, 1922, 3754, 3844, 4805, 7508, 7688, 9385, 9610, 15016, 18770, 19220, 37540, 38440, 58187, 75080, 116374, 232748, 290935, 465496, 581870, 1163740, 1803797, 2327480, 3607594, 7215188, 9018985, 14430376, 18037970, 36075940, 72151880]

約数ペア:

[(1, 72151880), (2, 36075940), (4, 18037970), (5, 14430376), (8, 9018985), (10, 7215188), (20, 3607594), (31, 2327480), (40, 1803797), (62, 1163740), (124, 581870), (155, 465496), (248, 290935), (310, 232748), (620, 116374), (961, 75080), (1240, 58187), (1877, 38440), (1922, 37540), (3754, 19220), (3844, 18770), (4805, 15016), (7508, 9610), (7688, 9385)]