123500720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{220537}}^1$

素因数の和:220557

約数の個数: 40

約数和(自身を含む): 328160544

約数和(自身を除く): 204659824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 220537, 441074, 882148, 1102685, 1543759, 1764296, 2205370, 3087518, 3528592, 4410740, 6175036, 7718795, 8821480, 12350072, 15437590, 17642960, 24700144, 30875180, 61750360, 123500720]

約数ペア:

[(1, 123500720), (2, 61750360), (4, 30875180), (5, 24700144), (7, 17642960), (8, 15437590), (10, 12350072), (14, 8821480), (16, 7718795), (20, 6175036), (28, 4410740), (35, 3528592), (40, 3087518), (56, 2205370), (70, 1764296), (80, 1543759), (112, 1102685), (140, 882148), (280, 441074), (560, 220537)]