131766880

素因数分解:

$2^5\times 5^1\times 7^7$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 363182400

約数和(自身を除く): 231415520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2401, 2744, 3430, 3920, 4802, 5488, 6860, 7840, 9604, 10976, 12005, 13720, 16807, 19208, 24010, 27440, 33614, 38416, 48020, 54880, 67228, 76832, 84035, 96040, 117649, 134456, 168070, 192080, 235298, 268912, 336140, 384160, 470596, 537824, 588245, 672280, 823543, 941192, 1176490, 1344560, 1647086, 1882384, 2352980, 2689120, 3294172, 3764768, 4117715, 4705960, 6588344, 8235430, 9411920, 13176688, 16470860, 18823840, 26353376, 32941720, 65883440, 131766880]

約数ペア:

[(1, 131766880), (2, 65883440), (4, 32941720), (5, 26353376), (7, 18823840), (8, 16470860), (10, 13176688), (14, 9411920), (16, 8235430), (20, 6588344), (28, 4705960), (32, 4117715), (35, 3764768), (40, 3294172), (49, 2689120), (56, 2352980), (70, 1882384), (80, 1647086), (98, 1344560), (112, 1176490), (140, 941192), (160, 823543), (196, 672280), (224, 588245), (245, 537824), (280, 470596), (343, 384160), (392, 336140), (490, 268912), (560, 235298), (686, 192080), (784, 168070), (980, 134456), (1120, 117649), (1372, 96040), (1568, 84035), (1715, 76832), (1960, 67228), (2401, 54880), (2744, 48020), (3430, 38416), (3920, 33614), (4802, 27440), (5488, 24010), (6860, 19208), (7840, 16807), (9604, 13720), (10976, 12005)]