1390860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7727}}^1$

素因数の和:7742

約数の個数: 36

約数和(自身を含む): 4219488

約数和(自身を除く): 2828628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7727, 15454, 23181, 30908, 38635, 46362, 69543, 77270, 92724, 115905, 139086, 154540, 231810, 278172, 347715, 463620, 695430, 1390860]

約数ペア:

[(1, 1390860), (2, 695430), (3, 463620), (4, 347715), (5, 278172), (6, 231810), (9, 154540), (10, 139086), (12, 115905), (15, 92724), (18, 77270), (20, 69543), (30, 46362), (36, 38635), (45, 30908), (60, 23181), (90, 15454), (180, 7727)]