81679260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104717}}^1$

素因数の和:104742

約数の個数: 48

約数和(自身を含む): 246296736

約数和(自身を除く): 164617476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 104717, 209434, 314151, 418868, 523585, 628302, 1047170, 1256604, 1361321, 1570755, 2094340, 2722642, 3141510, 4083963, 5445284, 6283020, 6806605, 8167926, 13613210, 16335852, 20419815, 27226420, 40839630, 81679260]

約数ペア:

[(1, 81679260), (2, 40839630), (3, 27226420), (4, 20419815), (5, 16335852), (6, 13613210), (10, 8167926), (12, 6806605), (13, 6283020), (15, 5445284), (20, 4083963), (26, 3141510), (30, 2722642), (39, 2094340), (52, 1570755), (60, 1361321), (65, 1256604), (78, 1047170), (130, 628302), (156, 523585), (195, 418868), (260, 314151), (390, 209434), (780, 104717)]