31120380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7517}}^1$

素因数の和:7555

約数の個数: 72

約数和(自身を含む): 98515872

約数和(自身を除く): 67395492

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, 7517, 15034, 22551, 30068, 37585, 45102, 67653, 75170, 90204, 112755, 135306, 150340, 172891, 225510, 270612, 338265, 345782, 451020, 518673, 676530, 691564, 864455, 1037346, 1353060, 1556019, 1728910, 2074692, 2593365, 3112038, 3457820, 5186730, 6224076, 7780095, 10373460, 15560190, 31120380]

約数ペア:

[(1, 31120380), (2, 15560190), (3, 10373460), (4, 7780095), (5, 6224076), (6, 5186730), (9, 3457820), (10, 3112038), (12, 2593365), (15, 2074692), (18, 1728910), (20, 1556019), (23, 1353060), (30, 1037346), (36, 864455), (45, 691564), (46, 676530), (60, 518673), (69, 451020), (90, 345782), (92, 338265), (115, 270612), (138, 225510), (180, 172891), (207, 150340), (230, 135306), (276, 112755), (345, 90204), (414, 75170), (460, 67653), (690, 45102), (828, 37585), (1035, 30068), (1380, 22551), (2070, 15034), (4140, 7517)]