122809280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 322600320

約数和(自身を除く): 199791040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 139, 160, 176, 220, 251, 278, 320, 352, 440, 502, 556, 695, 704, 880, 1004, 1112, 1255, 1390, 1529, 1760, 2008, 2224, 2510, 2761, 2780, 3058, 3520, 4016, 4448, 5020, 5522, 5560, 6116, 7645, 8032, 8896, 10040, 11044, 11120, 12232, 13805, 15290, 16064, 20080, 22088, 22240, 24464, 27610, 30580, 34889, 40160, 44176, 44480, 48928, 55220, 61160, 69778, 80320, 88352, 97856, 110440, 122320, 139556, 174445, 176704, 220880, 244640, 279112, 348890, 383779, 441760, 489280, 558224, 697780, 767558, 883520, 1116448, 1395560, 1535116, 1918895, 2232896, 2791120, 3070232, 3837790, 5582240, 6140464, 7675580, 11164480, 12280928, 15351160, 24561856, 30702320, 61404640, 122809280]

約数ペア:

[(1, 122809280), (2, 61404640), (4, 30702320), (5, 24561856), (8, 15351160), (10, 12280928), (11, 11164480), (16, 7675580), (20, 6140464), (22, 5582240), (32, 3837790), (40, 3070232), (44, 2791120), (55, 2232896), (64, 1918895), (80, 1535116), (88, 1395560), (110, 1116448), (139, 883520), (160, 767558), (176, 697780), (220, 558224), (251, 489280), (278, 441760), (320, 383779), (352, 348890), (440, 279112), (502, 244640), (556, 220880), (695, 176704), (704, 174445), (880, 139556), (1004, 122320), (1112, 110440), (1255, 97856), (1390, 88352), (1529, 80320), (1760, 69778), (2008, 61160), (2224, 55220), (2510, 48928), (2761, 44480), (2780, 44176), (3058, 40160), (3520, 34889), (4016, 30580), (4448, 27610), (5020, 24464), (5522, 22240), (5560, 22088), (6116, 20080), (7645, 16064), (8032, 15290), (8896, 13805), (10040, 12232), (11044, 11120)]