157779120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{657413}}^1$

素因数の和:657429

約数の個数: 40

約数和(自身を含む): 489116016

約数和(自身を除く): 331336896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 657413, 1314826, 1972239, 2629652, 3287065, 3944478, 5259304, 6574130, 7888956, 9861195, 10518608, 13148260, 15777912, 19722390, 26296520, 31555824, 39444780, 52593040, 78889560, 157779120]

約数ペア:

[(1, 157779120), (2, 78889560), (3, 52593040), (4, 39444780), (5, 31555824), (6, 26296520), (8, 19722390), (10, 15777912), (12, 13148260), (15, 10518608), (16, 9861195), (20, 7888956), (24, 6574130), (30, 5259304), (40, 3944478), (48, 3287065), (60, 2629652), (80, 1972239), (120, 1314826), (240, 657413)]