28120860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156227}}^1$

素因数の和:156242

約数の個数: 36

約数和(自身を含む): 85300488

約数和(自身を除く): 57179628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156227, 312454, 468681, 624908, 781135, 937362, 1406043, 1562270, 1874724, 2343405, 2812086, 3124540, 4686810, 5624172, 7030215, 9373620, 14060430, 28120860]

約数ペア:

[(1, 28120860), (2, 14060430), (3, 9373620), (4, 7030215), (5, 5624172), (6, 4686810), (9, 3124540), (10, 2812086), (12, 2343405), (15, 1874724), (18, 1562270), (20, 1406043), (30, 937362), (36, 781135), (45, 624908), (60, 468681), (90, 312454), (180, 156227)]