7989520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1328

約数の個数: 80

約数和(自身を含む): 23177088

約数和(自身を除く): 15187568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1297, 1540, 2594, 3080, 5188, 6160, 6485, 9079, 10376, 12970, 14267, 18158, 20752, 25940, 28534, 36316, 45395, 51880, 57068, 71335, 72632, 90790, 99869, 103760, 114136, 142670, 145264, 181580, 199738, 228272, 285340, 363160, 399476, 499345, 570680, 726320, 798952, 998690, 1141360, 1597904, 1997380, 3994760, 7989520]

約数ペア:

[(1, 7989520), (2, 3994760), (4, 1997380), (5, 1597904), (7, 1141360), (8, 998690), (10, 798952), (11, 726320), (14, 570680), (16, 499345), (20, 399476), (22, 363160), (28, 285340), (35, 228272), (40, 199738), (44, 181580), (55, 145264), (56, 142670), (70, 114136), (77, 103760), (80, 99869), (88, 90790), (110, 72632), (112, 71335), (140, 57068), (154, 51880), (176, 45395), (220, 36316), (280, 28534), (308, 25940), (385, 20752), (440, 18158), (560, 14267), (616, 12970), (770, 10376), (880, 9079), (1232, 6485), (1297, 6160), (1540, 5188), (2594, 3080)]