78860320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 239936256

約数和(自身を除く): 161075936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 160, 173, 176, 185, 220, 224, 259, 280, 296, 308, 346, 352, 370, 385, 407, 440, 518, 560, 592, 616, 692, 740, 770, 814, 865, 880, 1036, 1120, 1184, 1211, 1232, 1295, 1384, 1480, 1540, 1628, 1730, 1760, 1903, 2035, 2072, 2422, 2464, 2590, 2768, 2849, 2960, 3080, 3256, 3460, 3806, 4070, 4144, 4844, 5180, 5536, 5698, 5920, 6055, 6160, 6401, 6512, 6920, 7612, 8140, 8288, 9515, 9688, 10360, 11396, 12110, 12320, 12802, 13024, 13321, 13840, 14245, 15224, 16280, 19030, 19376, 20720, 22792, 24220, 25604, 26642, 27680, 28490, 30448, 32005, 32560, 38060, 38752, 41440, 44807, 45584, 48440, 51208, 53284, 56980, 60896, 64010, 65120, 66605, 70411, 76120, 89614, 91168, 96880, 102416, 106568, 113960, 128020, 133210, 140822, 152240, 179228, 193760, 204832, 213136, 224035, 227920, 256040, 266420, 281644, 304480, 352055, 358456, 426272, 448070, 455840, 492877, 512080, 532840, 563288, 704110, 716912, 896140, 985754, 1024160, 1065680, 1126576, 1408220, 1433824, 1792280, 1971508, 2131360, 2253152, 2464385, 2816440, 3584560, 3943016, 4928770, 5632880, 7169120, 7886032, 9857540, 11265760, 15772064, 19715080, 39430160, 78860320]

約数ペア:

[(1, 78860320), (2, 39430160), (4, 19715080), (5, 15772064), (7, 11265760), (8, 9857540), (10, 7886032), (11, 7169120), (14, 5632880), (16, 4928770), (20, 3943016), (22, 3584560), (28, 2816440), (32, 2464385), (35, 2253152), (37, 2131360), (40, 1971508), (44, 1792280), (55, 1433824), (56, 1408220), (70, 1126576), (74, 1065680), (77, 1024160), (80, 985754), (88, 896140), (110, 716912), (112, 704110), (140, 563288), (148, 532840), (154, 512080), (160, 492877), (173, 455840), (176, 448070), (185, 426272), (220, 358456), (224, 352055), (259, 304480), (280, 281644), (296, 266420), (308, 256040), (346, 227920), (352, 224035), (370, 213136), (385, 204832), (407, 193760), (440, 179228), (518, 152240), (560, 140822), (592, 133210), (616, 128020), (692, 113960), (740, 106568), (770, 102416), (814, 96880), (865, 91168), (880, 89614), (1036, 76120), (1120, 70411), (1184, 66605), (1211, 65120), (1232, 64010), (1295, 60896), (1384, 56980), (1480, 53284), (1540, 51208), (1628, 48440), (1730, 45584), (1760, 44807), (1903, 41440), (2035, 38752), (2072, 38060), (2422, 32560), (2464, 32005), (2590, 30448), (2768, 28490), (2849, 27680), (2960, 26642), (3080, 25604), (3256, 24220), (3460, 22792), (3806, 20720), (4070, 19376), (4144, 19030), (4844, 16280), (5180, 15224), (5536, 14245), (5698, 13840), (5920, 13321), (6055, 13024), (6160, 12802), (6401, 12320), (6512, 12110), (6920, 11396), (7612, 10360), (8140, 9688), (8288, 9515)]