138894120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385817}}^1$

素因数の和:385834

約数の個数: 48

約数和(自身を含む): 451407060

約数和(自身を除く): 312512940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385817, 771634, 1157451, 1543268, 1929085, 2314902, 3086536, 3472353, 3858170, 4629804, 5787255, 6944706, 7716340, 9259608, 11574510, 13889412, 15432680, 17361765, 23149020, 27778824, 34723530, 46298040, 69447060, 138894120]

約数ペア:

[(1, 138894120), (2, 69447060), (3, 46298040), (4, 34723530), (5, 27778824), (6, 23149020), (8, 17361765), (9, 15432680), (10, 13889412), (12, 11574510), (15, 9259608), (18, 7716340), (20, 6944706), (24, 5787255), (30, 4629804), (36, 3858170), (40, 3472353), (45, 3086536), (60, 2314902), (72, 1929085), (90, 1543268), (120, 1157451), (180, 771634), (360, 385817)]