284776960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 756201600

約数和(自身を除く): 471424640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 199, 208, 215, 256, 260, 320, 344, 398, 416, 430, 512, 520, 559, 640, 688, 796, 832, 860, 995, 1040, 1118, 1280, 1376, 1592, 1664, 1720, 1990, 2080, 2236, 2560, 2587, 2752, 2795, 3184, 3328, 3440, 3980, 4160, 4472, 5174, 5504, 5590, 6368, 6656, 6880, 7960, 8320, 8557, 8944, 10348, 11008, 11180, 12736, 12935, 13760, 15920, 16640, 17114, 17888, 20696, 22016, 22360, 25472, 25870, 27520, 31840, 33280, 34228, 35776, 41392, 42785, 44720, 50944, 51740, 55040, 63680, 68456, 71552, 82784, 85570, 89440, 101888, 103480, 110080, 111241, 127360, 136912, 143104, 165568, 171140, 178880, 206960, 222482, 254720, 273824, 286208, 331136, 342280, 357760, 413920, 444964, 509440, 547648, 556205, 662272, 684560, 715520, 827840, 889928, 1095296, 1112410, 1324544, 1369120, 1431040, 1655680, 1779856, 2190592, 2224820, 2738240, 3311360, 3559712, 4381184, 4449640, 5476480, 6622720, 7119424, 8899280, 10952960, 14238848, 17798560, 21905920, 28477696, 35597120, 56955392, 71194240, 142388480, 284776960]

約数ペア:

[(1, 284776960), (2, 142388480), (4, 71194240), (5, 56955392), (8, 35597120), (10, 28477696), (13, 21905920), (16, 17798560), (20, 14238848), (26, 10952960), (32, 8899280), (40, 7119424), (43, 6622720), (52, 5476480), (64, 4449640), (65, 4381184), (80, 3559712), (86, 3311360), (104, 2738240), (128, 2224820), (130, 2190592), (160, 1779856), (172, 1655680), (199, 1431040), (208, 1369120), (215, 1324544), (256, 1112410), (260, 1095296), (320, 889928), (344, 827840), (398, 715520), (416, 684560), (430, 662272), (512, 556205), (520, 547648), (559, 509440), (640, 444964), (688, 413920), (796, 357760), (832, 342280), (860, 331136), (995, 286208), (1040, 273824), (1118, 254720), (1280, 222482), (1376, 206960), (1592, 178880), (1664, 171140), (1720, 165568), (1990, 143104), (2080, 136912), (2236, 127360), (2560, 111241), (2587, 110080), (2752, 103480), (2795, 101888), (3184, 89440), (3328, 85570), (3440, 82784), (3980, 71552), (4160, 68456), (4472, 63680), (5174, 55040), (5504, 51740), (5590, 50944), (6368, 44720), (6656, 42785), (6880, 41392), (7960, 35776), (8320, 34228), (8557, 33280), (8944, 31840), (10348, 27520), (11008, 25870), (11180, 25472), (12736, 22360), (12935, 22016), (13760, 20696), (15920, 17888), (16640, 17114)]