81969696

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6619}}^1$

素因数の和:6678

約数の個数: 72

約数和(自身を含む): 238558320

約数和(自身を除く): 156588624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 6619, 12384, 13238, 19857, 26476, 39714, 52952, 59571, 79428, 105904, 119142, 158856, 211808, 238284, 284617, 317712, 476568, 569234, 635424, 853851, 953136, 1138468, 1707702, 1906272, 2276936, 2561553, 3415404, 4553872, 5123106, 6830808, 9107744, 10246212, 13661616, 20492424, 27323232, 40984848, 81969696]

約数ペア:

[(1, 81969696), (2, 40984848), (3, 27323232), (4, 20492424), (6, 13661616), (8, 10246212), (9, 9107744), (12, 6830808), (16, 5123106), (18, 4553872), (24, 3415404), (32, 2561553), (36, 2276936), (43, 1906272), (48, 1707702), (72, 1138468), (86, 953136), (96, 853851), (129, 635424), (144, 569234), (172, 476568), (258, 317712), (288, 284617), (344, 238284), (387, 211808), (516, 158856), (688, 119142), (774, 105904), (1032, 79428), (1376, 59571), (1548, 52952), (2064, 39714), (3096, 26476), (4128, 19857), (6192, 13238), (6619, 12384)]