61404640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 160030080

約数和(自身を除く): 98625440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 251, 278, 352, 440, 502, 556, 695, 880, 1004, 1112, 1255, 1390, 1529, 1760, 2008, 2224, 2510, 2761, 2780, 3058, 4016, 4448, 5020, 5522, 5560, 6116, 7645, 8032, 10040, 11044, 11120, 12232, 13805, 15290, 20080, 22088, 22240, 24464, 27610, 30580, 34889, 40160, 44176, 48928, 55220, 61160, 69778, 88352, 110440, 122320, 139556, 174445, 220880, 244640, 279112, 348890, 383779, 441760, 558224, 697780, 767558, 1116448, 1395560, 1535116, 1918895, 2791120, 3070232, 3837790, 5582240, 6140464, 7675580, 12280928, 15351160, 30702320, 61404640]

約数ペア:

[(1, 61404640), (2, 30702320), (4, 15351160), (5, 12280928), (8, 7675580), (10, 6140464), (11, 5582240), (16, 3837790), (20, 3070232), (22, 2791120), (32, 1918895), (40, 1535116), (44, 1395560), (55, 1116448), (80, 767558), (88, 697780), (110, 558224), (139, 441760), (160, 383779), (176, 348890), (220, 279112), (251, 244640), (278, 220880), (352, 174445), (440, 139556), (502, 122320), (556, 110440), (695, 88352), (880, 69778), (1004, 61160), (1112, 55220), (1255, 48928), (1390, 44176), (1529, 40160), (1760, 34889), (2008, 30580), (2224, 27610), (2510, 24464), (2761, 22240), (2780, 22088), (3058, 20080), (4016, 15290), (4448, 13805), (5020, 12232), (5522, 11120), (5560, 11044), (6116, 10040), (7645, 8032)]