78388740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15017}}^1$

素因数の和:15061

約数の個数: 72

約数和(自身を含む): 245994840

約数和(自身を除く): 167606100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15017, 30034, 45051, 60068, 75085, 90102, 135153, 150170, 180204, 225255, 270306, 300340, 435493, 450510, 540612, 675765, 870986, 901020, 1306479, 1351530, 1741972, 2177465, 2612958, 2703060, 3919437, 4354930, 5225916, 6532395, 7838874, 8709860, 13064790, 15677748, 19597185, 26129580, 39194370, 78388740]

約数ペア:

[(1, 78388740), (2, 39194370), (3, 26129580), (4, 19597185), (5, 15677748), (6, 13064790), (9, 8709860), (10, 7838874), (12, 6532395), (15, 5225916), (18, 4354930), (20, 3919437), (29, 2703060), (30, 2612958), (36, 2177465), (45, 1741972), (58, 1351530), (60, 1306479), (87, 901020), (90, 870986), (116, 675765), (145, 540612), (174, 450510), (180, 435493), (261, 300340), (290, 270306), (348, 225255), (435, 180204), (522, 150170), (580, 135153), (870, 90102), (1044, 75085), (1305, 60068), (1740, 45051), (2610, 30034), (5220, 15017)]