78228080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4817}}^1$

素因数の和:4866

約数の個数: 80

約数和(自身を含む): 215075520

約数和(自身を除く): 136847440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4817, 8120, 9634, 16240, 19268, 24085, 33719, 38536, 48170, 67438, 77072, 96340, 134876, 139693, 168595, 192680, 269752, 279386, 337190, 385360, 539504, 558772, 674380, 698465, 977851, 1117544, 1348760, 1396930, 1955702, 2235088, 2697520, 2793860, 3911404, 4889255, 5587720, 7822808, 9778510, 11175440, 15645616, 19557020, 39114040, 78228080]

約数ペア:

[(1, 78228080), (2, 39114040), (4, 19557020), (5, 15645616), (7, 11175440), (8, 9778510), (10, 7822808), (14, 5587720), (16, 4889255), (20, 3911404), (28, 2793860), (29, 2697520), (35, 2235088), (40, 1955702), (56, 1396930), (58, 1348760), (70, 1117544), (80, 977851), (112, 698465), (116, 674380), (140, 558772), (145, 539504), (203, 385360), (232, 337190), (280, 279386), (290, 269752), (406, 192680), (464, 168595), (560, 139693), (580, 134876), (812, 96340), (1015, 77072), (1160, 67438), (1624, 48170), (2030, 38536), (2320, 33719), (3248, 24085), (4060, 19268), (4817, 16240), (8120, 9634)]