78943020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101209}}^1$

素因数の和:101234

約数の個数: 48

約数和(自身を含む): 238045920

約数和(自身を除く): 159102900

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, 101209, 202418, 303627, 404836, 506045, 607254, 1012090, 1214508, 1315717, 1518135, 2024180, 2631434, 3036270, 3947151, 5262868, 6072540, 6578585, 7894302, 13157170, 15788604, 19735755, 26314340, 39471510, 78943020]

約数ペア:

[(1, 78943020), (2, 39471510), (3, 26314340), (4, 19735755), (5, 15788604), (6, 13157170), (10, 7894302), (12, 6578585), (13, 6072540), (15, 5262868), (20, 3947151), (26, 3036270), (30, 2631434), (39, 2024180), (52, 1518135), (60, 1315717), (65, 1214508), (78, 1012090), (130, 607254), (156, 506045), (195, 404836), (260, 303627), (390, 202418), (780, 101209)]