78284800

素因数分解:

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

素因数の和:182

約数の個数: 144

約数和(自身を含む): 213267600

約数和(自身を除く): 134982800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 139, 160, 176, 200, 220, 256, 275, 278, 320, 352, 400, 440, 512, 550, 556, 640, 695, 704, 800, 880, 1024, 1100, 1112, 1280, 1390, 1408, 1529, 1600, 1760, 2048, 2200, 2224, 2560, 2780, 2816, 3058, 3200, 3475, 3520, 4400, 4448, 5120, 5560, 5632, 6116, 6400, 6950, 7040, 7645, 8800, 8896, 10240, 11120, 11264, 12232, 12800, 13900, 14080, 15290, 17600, 17792, 22240, 22528, 24464, 25600, 27800, 28160, 30580, 35200, 35584, 38225, 44480, 48928, 51200, 55600, 56320, 61160, 70400, 71168, 76450, 88960, 97856, 111200, 112640, 122320, 140800, 142336, 152900, 177920, 195712, 222400, 244640, 281600, 284672, 305800, 355840, 391424, 444800, 489280, 563200, 611600, 711680, 782848, 889600, 978560, 1223200, 1423360, 1565696, 1779200, 1957120, 2446400, 3131392, 3558400, 3914240, 4892800, 7116800, 7828480, 9785600, 15656960, 19571200, 39142400, 78284800]

約数ペア:

[(1, 78284800), (2, 39142400), (4, 19571200), (5, 15656960), (8, 9785600), (10, 7828480), (11, 7116800), (16, 4892800), (20, 3914240), (22, 3558400), (25, 3131392), (32, 2446400), (40, 1957120), (44, 1779200), (50, 1565696), (55, 1423360), (64, 1223200), (80, 978560), (88, 889600), (100, 782848), (110, 711680), (128, 611600), (139, 563200), (160, 489280), (176, 444800), (200, 391424), (220, 355840), (256, 305800), (275, 284672), (278, 281600), (320, 244640), (352, 222400), (400, 195712), (440, 177920), (512, 152900), (550, 142336), (556, 140800), (640, 122320), (695, 112640), (704, 111200), (800, 97856), (880, 88960), (1024, 76450), (1100, 71168), (1112, 70400), (1280, 61160), (1390, 56320), (1408, 55600), (1529, 51200), (1600, 48928), (1760, 44480), (2048, 38225), (2200, 35584), (2224, 35200), (2560, 30580), (2780, 28160), (2816, 27800), (3058, 25600), (3200, 24464), (3475, 22528), (3520, 22240), (4400, 17792), (4448, 17600), (5120, 15290), (5560, 14080), (5632, 13900), (6116, 12800), (6400, 12232), (6950, 11264), (7040, 11120), (7645, 10240), (8800, 8896)]