81521064

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 230480640

約数和(自身を除く): 148959576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 71, 72, 74, 111, 142, 148, 213, 222, 284, 296, 333, 426, 431, 444, 568, 639, 666, 852, 862, 888, 1278, 1293, 1332, 1704, 1724, 2556, 2586, 2627, 2664, 3448, 3879, 5112, 5172, 5254, 7758, 7881, 10344, 10508, 15516, 15762, 15947, 21016, 23643, 30601, 31032, 31524, 31894, 47286, 47841, 61202, 63048, 63788, 91803, 94572, 95682, 122404, 127576, 143523, 183606, 189144, 191364, 244808, 275409, 287046, 367212, 382728, 550818, 574092, 734424, 1101636, 1132237, 1148184, 2203272, 2264474, 3396711, 4528948, 6793422, 9057896, 10190133, 13586844, 20380266, 27173688, 40760532, 81521064]

約数ペア:

[(1, 81521064), (2, 40760532), (3, 27173688), (4, 20380266), (6, 13586844), (8, 10190133), (9, 9057896), (12, 6793422), (18, 4528948), (24, 3396711), (36, 2264474), (37, 2203272), (71, 1148184), (72, 1132237), (74, 1101636), (111, 734424), (142, 574092), (148, 550818), (213, 382728), (222, 367212), (284, 287046), (296, 275409), (333, 244808), (426, 191364), (431, 189144), (444, 183606), (568, 143523), (639, 127576), (666, 122404), (852, 95682), (862, 94572), (888, 91803), (1278, 63788), (1293, 63048), (1332, 61202), (1704, 47841), (1724, 47286), (2556, 31894), (2586, 31524), (2627, 31032), (2664, 30601), (3448, 23643), (3879, 21016), (5112, 15947), (5172, 15762), (5254, 15516), (7758, 10508), (7881, 10344)]