181209280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{80897}}^1$

素因数の和:80921

約数の個数: 56

約数和(自身を含む): 493154208

約数和(自身を除く): 311944928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 80897, 161794, 323588, 404485, 566279, 647176, 808970, 1132558, 1294352, 1617940, 2265116, 2588704, 2831395, 3235880, 4530232, 5177408, 5662790, 6471760, 9060464, 11325580, 12943520, 18120928, 22651160, 25887040, 36241856, 45302320, 90604640, 181209280]

約数ペア:

[(1, 181209280), (2, 90604640), (4, 45302320), (5, 36241856), (7, 25887040), (8, 22651160), (10, 18120928), (14, 12943520), (16, 11325580), (20, 9060464), (28, 6471760), (32, 5662790), (35, 5177408), (40, 4530232), (56, 3235880), (64, 2831395), (70, 2588704), (80, 2265116), (112, 1617940), (140, 1294352), (160, 1132558), (224, 808970), (280, 647176), (320, 566279), (448, 404485), (560, 323588), (1120, 161794), (2240, 80897)]