156668720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{757}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 394766400

約数和(自身を除く): 238097680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 398, 520, 757, 796, 995, 1040, 1514, 1592, 1990, 2587, 3028, 3184, 3785, 3980, 5174, 6056, 7570, 7960, 9841, 10348, 12112, 12935, 15140, 15920, 19682, 20696, 25870, 30280, 39364, 41392, 49205, 51740, 60560, 78728, 98410, 103480, 150643, 157456, 196820, 206960, 301286, 393640, 602572, 753215, 787280, 1205144, 1506430, 1958359, 2410288, 3012860, 3916718, 6025720, 7833436, 9791795, 12051440, 15666872, 19583590, 31333744, 39167180, 78334360, 156668720]

約数ペア:

[(1, 156668720), (2, 78334360), (4, 39167180), (5, 31333744), (8, 19583590), (10, 15666872), (13, 12051440), (16, 9791795), (20, 7833436), (26, 6025720), (40, 3916718), (52, 3012860), (65, 2410288), (80, 1958359), (104, 1506430), (130, 1205144), (199, 787280), (208, 753215), (260, 602572), (398, 393640), (520, 301286), (757, 206960), (796, 196820), (995, 157456), (1040, 150643), (1514, 103480), (1592, 98410), (1990, 78728), (2587, 60560), (3028, 51740), (3184, 49205), (3785, 41392), (3980, 39364), (5174, 30280), (6056, 25870), (7570, 20696), (7960, 19682), (9841, 15920), (10348, 15140), (12112, 12935)]