9778821080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{81031}}^1$

素因数の和:81480

約数の個数: 64

約数和(自身を含む): 25204193280

約数和(自身を除く): 15425372200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1724, 2155, 3017, 3448, 4310, 6034, 8620, 12068, 15085, 17240, 24136, 30170, 60340, 81031, 120680, 162062, 324124, 405155, 567217, 648248, 810310, 1134434, 1620620, 2268868, 2836085, 3241240, 4537736, 5672170, 11344340, 22688680, 34924361, 69848722, 139697444, 174621805, 244470527, 279394888, 349243610, 488941054, 698487220, 977882108, 1222352635, 1396974440, 1955764216, 2444705270, 4889410540, 9778821080]

約数ペア:

[(1, 9778821080), (2, 4889410540), (4, 2444705270), (5, 1955764216), (7, 1396974440), (8, 1222352635), (10, 977882108), (14, 698487220), (20, 488941054), (28, 349243610), (35, 279394888), (40, 244470527), (56, 174621805), (70, 139697444), (140, 69848722), (280, 34924361), (431, 22688680), (862, 11344340), (1724, 5672170), (2155, 4537736), (3017, 3241240), (3448, 2836085), (4310, 2268868), (6034, 1620620), (8620, 1134434), (12068, 810310), (15085, 648248), (17240, 567217), (24136, 405155), (30170, 324124), (60340, 162062), (81031, 120680)]