17798560

素因数分解:

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

素因数の和:270

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 28771040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 199, 208, 215, 260, 344, 398, 416, 430, 520, 559, 688, 796, 860, 995, 1040, 1118, 1376, 1592, 1720, 1990, 2080, 2236, 2587, 2795, 3184, 3440, 3980, 4472, 5174, 5590, 6368, 6880, 7960, 8557, 8944, 10348, 11180, 12935, 15920, 17114, 17888, 20696, 22360, 25870, 31840, 34228, 41392, 42785, 44720, 51740, 68456, 82784, 85570, 89440, 103480, 111241, 136912, 171140, 206960, 222482, 273824, 342280, 413920, 444964, 556205, 684560, 889928, 1112410, 1369120, 1779856, 2224820, 3559712, 4449640, 8899280, 17798560]

約数ペア:

[(1, 17798560), (2, 8899280), (4, 4449640), (5, 3559712), (8, 2224820), (10, 1779856), (13, 1369120), (16, 1112410), (20, 889928), (26, 684560), (32, 556205), (40, 444964), (43, 413920), (52, 342280), (65, 273824), (80, 222482), (86, 206960), (104, 171140), (130, 136912), (160, 111241), (172, 103480), (199, 89440), (208, 85570), (215, 82784), (260, 68456), (344, 51740), (398, 44720), (416, 42785), (430, 41392), (520, 34228), (559, 31840), (688, 25870), (796, 22360), (860, 20696), (995, 17888), (1040, 17114), (1118, 15920), (1376, 12935), (1592, 11180), (1720, 10348), (1990, 8944), (2080, 8557), (2236, 7960), (2587, 6880), (2795, 6368), (3184, 5590), (3440, 5174), (3980, 4472)]