81980532

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 220774400

約数和(自身を除く): 138793868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 127, 129, 139, 172, 254, 258, 278, 381, 387, 417, 508, 516, 556, 762, 774, 834, 1143, 1161, 1251, 1524, 1548, 1668, 2286, 2322, 2502, 3429, 3753, 4572, 4644, 5004, 5461, 5977, 6858, 7506, 10922, 11954, 13716, 15012, 16383, 17653, 17931, 21844, 23908, 32766, 35306, 35862, 49149, 52959, 53793, 65532, 70612, 71724, 98298, 105918, 107586, 147447, 158877, 161379, 196596, 211836, 215172, 294894, 317754, 322758, 476631, 589788, 635508, 645516, 759079, 953262, 1518158, 1906524, 2277237, 3036316, 4554474, 6831711, 9108948, 13663422, 20495133, 27326844, 40990266, 81980532]

約数ペア:

[(1, 81980532), (2, 40990266), (3, 27326844), (4, 20495133), (6, 13663422), (9, 9108948), (12, 6831711), (18, 4554474), (27, 3036316), (36, 2277237), (43, 1906524), (54, 1518158), (86, 953262), (108, 759079), (127, 645516), (129, 635508), (139, 589788), (172, 476631), (254, 322758), (258, 317754), (278, 294894), (381, 215172), (387, 211836), (417, 196596), (508, 161379), (516, 158877), (556, 147447), (762, 107586), (774, 105918), (834, 98298), (1143, 71724), (1161, 70612), (1251, 65532), (1524, 53793), (1548, 52959), (1668, 49149), (2286, 35862), (2322, 35306), (2502, 32766), (3429, 23908), (3753, 21844), (4572, 17931), (4644, 17653), (5004, 16383), (5461, 15012), (5977, 13716), (6858, 11954), (7506, 10922)]