231667280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 582660624

約数和(自身を除く): 350993344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 337, 520, 661, 674, 1040, 1322, 1348, 1685, 2644, 2696, 3305, 3370, 4381, 5288, 5392, 6610, 6740, 8593, 8762, 10576, 13220, 13480, 17186, 17524, 21905, 26440, 26960, 34372, 35048, 42965, 43810, 52880, 68744, 70096, 85930, 87620, 137488, 171860, 175240, 222757, 343720, 350480, 445514, 687440, 891028, 1113785, 1782056, 2227570, 2895841, 3564112, 4455140, 5791682, 8910280, 11583364, 14479205, 17820560, 23166728, 28958410, 46333456, 57916820, 115833640, 231667280]

約数ペア:

[(1, 231667280), (2, 115833640), (4, 57916820), (5, 46333456), (8, 28958410), (10, 23166728), (13, 17820560), (16, 14479205), (20, 11583364), (26, 8910280), (40, 5791682), (52, 4455140), (65, 3564112), (80, 2895841), (104, 2227570), (130, 1782056), (208, 1113785), (260, 891028), (337, 687440), (520, 445514), (661, 350480), (674, 343720), (1040, 222757), (1322, 175240), (1348, 171860), (1685, 137488), (2644, 87620), (2696, 85930), (3305, 70096), (3370, 68744), (4381, 52880), (5288, 43810), (5392, 42965), (6610, 35048), (6740, 34372), (8593, 26960), (8762, 26440), (10576, 21905), (13220, 17524), (13480, 17186)]