140790320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 359976960

約数和(自身を除く): 219186640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1151, 1390, 1529, 2224, 2302, 2780, 3058, 4604, 5560, 5755, 6116, 7645, 9208, 11120, 11510, 12232, 12661, 15290, 18416, 23020, 24464, 25322, 30580, 46040, 50644, 61160, 63305, 92080, 101288, 122320, 126610, 159989, 202576, 253220, 319978, 506440, 639956, 799945, 1012880, 1279912, 1599890, 1759879, 2559824, 3199780, 3519758, 6399560, 7039516, 8799395, 12799120, 14079032, 17598790, 28158064, 35197580, 70395160, 140790320]

約数ペア:

[(1, 140790320), (2, 70395160), (4, 35197580), (5, 28158064), (8, 17598790), (10, 14079032), (11, 12799120), (16, 8799395), (20, 7039516), (22, 6399560), (40, 3519758), (44, 3199780), (55, 2559824), (80, 1759879), (88, 1599890), (110, 1279912), (139, 1012880), (176, 799945), (220, 639956), (278, 506440), (440, 319978), (556, 253220), (695, 202576), (880, 159989), (1112, 126610), (1151, 122320), (1390, 101288), (1529, 92080), (2224, 63305), (2302, 61160), (2780, 50644), (3058, 46040), (4604, 30580), (5560, 25322), (5755, 24464), (6116, 23020), (7645, 18416), (9208, 15290), (11120, 12661), (11510, 12232)]