9975280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 27141120

約数和(自身を除く): 17165840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 379, 470, 560, 658, 752, 758, 940, 1316, 1516, 1645, 1880, 1895, 2632, 2653, 3032, 3290, 3760, 3790, 5264, 5306, 6064, 6580, 7580, 10612, 13160, 13265, 15160, 17813, 21224, 26320, 26530, 30320, 35626, 42448, 53060, 71252, 89065, 106120, 124691, 142504, 178130, 212240, 249382, 285008, 356260, 498764, 623455, 712520, 997528, 1246910, 1425040, 1995056, 2493820, 4987640, 9975280]

約数ペア:

[(1, 9975280), (2, 4987640), (4, 2493820), (5, 1995056), (7, 1425040), (8, 1246910), (10, 997528), (14, 712520), (16, 623455), (20, 498764), (28, 356260), (35, 285008), (40, 249382), (47, 212240), (56, 178130), (70, 142504), (80, 124691), (94, 106120), (112, 89065), (140, 71252), (188, 53060), (235, 42448), (280, 35626), (329, 30320), (376, 26530), (379, 26320), (470, 21224), (560, 17813), (658, 15160), (752, 13265), (758, 13160), (940, 10612), (1316, 7580), (1516, 6580), (1645, 6064), (1880, 5306), (1895, 5264), (2632, 3790), (2653, 3760), (3032, 3290)]