78913620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438409}}^1$

素因数の和:438424

約数の個数: 36

約数和(自身を含む): 239371860

約数和(自身を除く): 160458240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438409, 876818, 1315227, 1753636, 2192045, 2630454, 3945681, 4384090, 5260908, 6576135, 7891362, 8768180, 13152270, 15782724, 19728405, 26304540, 39456810, 78913620]

約数ペア:

[(1, 78913620), (2, 39456810), (3, 26304540), (4, 19728405), (5, 15782724), (6, 13152270), (9, 8768180), (10, 7891362), (12, 6576135), (15, 5260908), (18, 4384090), (20, 3945681), (30, 2630454), (36, 2192045), (45, 1753636), (60, 1315227), (90, 876818), (180, 438409)]