80515278

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{251}}^2$

素因数の和:581

約数の個数: 36

約数和(自身を含む): 177614424

約数和(自身を除く): 97099146

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 251, 426, 502, 639, 753, 1278, 1506, 2259, 4518, 17821, 35642, 53463, 63001, 106926, 126002, 160389, 189003, 320778, 378006, 567009, 1134018, 4473071, 8946142, 13419213, 26838426, 40257639, 80515278]

約数ペア:

[(1, 80515278), (2, 40257639), (3, 26838426), (6, 13419213), (9, 8946142), (18, 4473071), (71, 1134018), (142, 567009), (213, 378006), (251, 320778), (426, 189003), (502, 160389), (639, 126002), (753, 106926), (1278, 63001), (1506, 53463), (2259, 35642), (4518, 17821)]