164353020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210709}}^1$

素因数の和:210734

約数の個数: 48

約数和(自身を含む): 495589920

約数和(自身を除く): 331236900

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, 210709, 421418, 632127, 842836, 1053545, 1264254, 2107090, 2528508, 2739217, 3160635, 4214180, 5478434, 6321270, 8217651, 10956868, 12642540, 13696085, 16435302, 27392170, 32870604, 41088255, 54784340, 82176510, 164353020]

約数ペア:

[(1, 164353020), (2, 82176510), (3, 54784340), (4, 41088255), (5, 32870604), (6, 27392170), (10, 16435302), (12, 13696085), (13, 12642540), (15, 10956868), (20, 8217651), (26, 6321270), (30, 5478434), (39, 4214180), (52, 3160635), (60, 2739217), (65, 2528508), (78, 2107090), (130, 1264254), (156, 1053545), (195, 842836), (260, 632127), (390, 421418), (780, 210709)]