138468240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192317}}^1$

素因数の和:192336

約数の個数: 60

約数和(自身を含む): 465024924

約数和(自身を除く): 326556684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192317, 384634, 576951, 769268, 961585, 1153902, 1538536, 1730853, 1923170, 2307804, 2884755, 3077072, 3461706, 3846340, 4615608, 5769510, 6923412, 7692680, 8654265, 9231216, 11539020, 13846824, 15385360, 17308530, 23078040, 27693648, 34617060, 46156080, 69234120, 138468240]

約数ペア:

[(1, 138468240), (2, 69234120), (3, 46156080), (4, 34617060), (5, 27693648), (6, 23078040), (8, 17308530), (9, 15385360), (10, 13846824), (12, 11539020), (15, 9231216), (16, 8654265), (18, 7692680), (20, 6923412), (24, 5769510), (30, 4615608), (36, 3846340), (40, 3461706), (45, 3077072), (48, 2884755), (60, 2307804), (72, 1923170), (80, 1730853), (90, 1538536), (120, 1153902), (144, 961585), (180, 769268), (240, 576951), (360, 384634), (720, 192317)]