81428976

素因数分解:

$2^4\times 3^4\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:860

約数の個数: 100

約数和(自身を含む): 238833672

約数和(自身を除く): 157404696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 83, 108, 144, 162, 166, 216, 249, 324, 332, 432, 498, 648, 664, 747, 757, 996, 1296, 1328, 1494, 1514, 1992, 2241, 2271, 2988, 3028, 3984, 4482, 4542, 5976, 6056, 6723, 6813, 8964, 9084, 11952, 12112, 13446, 13626, 17928, 18168, 20439, 26892, 27252, 35856, 36336, 40878, 53784, 54504, 61317, 62831, 81756, 107568, 109008, 122634, 125662, 163512, 188493, 245268, 251324, 327024, 376986, 490536, 502648, 565479, 753972, 981072, 1005296, 1130958, 1507944, 1696437, 2261916, 3015888, 3392874, 4523832, 5089311, 6785748, 9047664, 10178622, 13571496, 20357244, 27142992, 40714488, 81428976]

約数ペア:

[(1, 81428976), (2, 40714488), (3, 27142992), (4, 20357244), (6, 13571496), (8, 10178622), (9, 9047664), (12, 6785748), (16, 5089311), (18, 4523832), (24, 3392874), (27, 3015888), (36, 2261916), (48, 1696437), (54, 1507944), (72, 1130958), (81, 1005296), (83, 981072), (108, 753972), (144, 565479), (162, 502648), (166, 490536), (216, 376986), (249, 327024), (324, 251324), (332, 245268), (432, 188493), (498, 163512), (648, 125662), (664, 122634), (747, 109008), (757, 107568), (996, 81756), (1296, 62831), (1328, 61317), (1494, 54504), (1514, 53784), (1992, 40878), (2241, 36336), (2271, 35856), (2988, 27252), (3028, 26892), (3984, 20439), (4482, 18168), (4542, 17928), (5976, 13626), (6056, 13446), (6723, 12112), (6813, 11952), (8964, 9084)]