81805776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4284

約数の個数: 80

約数和(自身を含む): 234984960

約数和(自身を除く): 153179184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4229, 4836, 6448, 8458, 9672, 12687, 16916, 19344, 25374, 33832, 50748, 54977, 67664, 101496, 109954, 131099, 164931, 202992, 219908, 262198, 329862, 393297, 439816, 524396, 659724, 786594, 879632, 1048792, 1319448, 1573188, 1704287, 2097584, 2638896, 3146376, 3408574, 5112861, 6292752, 6817148, 10225722, 13634296, 20451444, 27268592, 40902888, 81805776]

約数ペア:

[(1, 81805776), (2, 40902888), (3, 27268592), (4, 20451444), (6, 13634296), (8, 10225722), (12, 6817148), (13, 6292752), (16, 5112861), (24, 3408574), (26, 3146376), (31, 2638896), (39, 2097584), (48, 1704287), (52, 1573188), (62, 1319448), (78, 1048792), (93, 879632), (104, 786594), (124, 659724), (156, 524396), (186, 439816), (208, 393297), (248, 329862), (312, 262198), (372, 219908), (403, 202992), (496, 164931), (624, 131099), (744, 109954), (806, 101496), (1209, 67664), (1488, 54977), (1612, 50748), (2418, 33832), (3224, 25374), (4229, 19344), (4836, 16916), (6448, 12687), (8458, 9672)]