81700272

素因数分解:

$2^4\times 3^3\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:895

約数の個数: 80

約数和(自身を含む): 235600000

約数和(自身を除く): 153899728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 379, 432, 499, 758, 998, 1137, 1497, 1516, 1996, 2274, 2994, 3032, 3411, 3992, 4491, 4548, 5988, 6064, 6822, 7984, 8982, 9096, 10233, 11976, 13473, 13644, 17964, 18192, 20466, 23952, 26946, 27288, 35928, 40932, 53892, 54576, 71856, 81864, 107784, 163728, 189121, 215568, 378242, 567363, 756484, 1134726, 1512968, 1702089, 2269452, 3025936, 3404178, 4538904, 5106267, 6808356, 9077808, 10212534, 13616712, 20425068, 27233424, 40850136, 81700272]

約数ペア:

[(1, 81700272), (2, 40850136), (3, 27233424), (4, 20425068), (6, 13616712), (8, 10212534), (9, 9077808), (12, 6808356), (16, 5106267), (18, 4538904), (24, 3404178), (27, 3025936), (36, 2269452), (48, 1702089), (54, 1512968), (72, 1134726), (108, 756484), (144, 567363), (216, 378242), (379, 215568), (432, 189121), (499, 163728), (758, 107784), (998, 81864), (1137, 71856), (1497, 54576), (1516, 53892), (1996, 40932), (2274, 35928), (2994, 27288), (3032, 26946), (3411, 23952), (3992, 20466), (4491, 18192), (4548, 17964), (5988, 13644), (6064, 13473), (6822, 11976), (7984, 10233), (8982, 9096)]