69745520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 176030400

約数和(自身を除く): 106284880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 337, 398, 520, 674, 796, 995, 1040, 1348, 1592, 1685, 1990, 2587, 2696, 3184, 3370, 3980, 4381, 5174, 5392, 6740, 7960, 8762, 10348, 12935, 13480, 15920, 17524, 20696, 21905, 25870, 26960, 35048, 41392, 43810, 51740, 67063, 70096, 87620, 103480, 134126, 175240, 206960, 268252, 335315, 350480, 536504, 670630, 871819, 1073008, 1341260, 1743638, 2682520, 3487276, 4359095, 5365040, 6974552, 8718190, 13949104, 17436380, 34872760, 69745520]

約数ペア:

[(1, 69745520), (2, 34872760), (4, 17436380), (5, 13949104), (8, 8718190), (10, 6974552), (13, 5365040), (16, 4359095), (20, 3487276), (26, 2682520), (40, 1743638), (52, 1341260), (65, 1073008), (80, 871819), (104, 670630), (130, 536504), (199, 350480), (208, 335315), (260, 268252), (337, 206960), (398, 175240), (520, 134126), (674, 103480), (796, 87620), (995, 70096), (1040, 67063), (1348, 51740), (1592, 43810), (1685, 41392), (1990, 35048), (2587, 26960), (2696, 25870), (3184, 21905), (3370, 20696), (3980, 17524), (4381, 15920), (5174, 13480), (5392, 12935), (6740, 10348), (7960, 8762)]