51820380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12517}}^1$

素因数の和:12555

約数の個数: 72

約数和(自身を含む): 164035872

約数和(自身を除く): 112215492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 12517, 25034, 37551, 50068, 62585, 75102, 112653, 125170, 150204, 187755, 225306, 250340, 287891, 375510, 450612, 563265, 575782, 751020, 863673, 1126530, 1151564, 1439455, 1727346, 2253060, 2591019, 2878910, 3454692, 4318365, 5182038, 5757820, 8636730, 10364076, 12955095, 17273460, 25910190, 51820380]

約数ペア:

[(1, 51820380), (2, 25910190), (3, 17273460), (4, 12955095), (5, 10364076), (6, 8636730), (9, 5757820), (10, 5182038), (12, 4318365), (15, 3454692), (18, 2878910), (20, 2591019), (23, 2253060), (30, 1727346), (36, 1439455), (45, 1151564), (46, 1126530), (60, 863673), (69, 751020), (90, 575782), (92, 563265), (115, 450612), (138, 375510), (180, 287891), (207, 250340), (230, 225306), (276, 187755), (345, 150204), (414, 125170), (460, 112653), (690, 75102), (828, 62585), (1035, 50068), (1380, 37551), (2070, 25034), (4140, 12517)]