81454320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113131}}^1$

素因数の和:113150

約数の個数: 60

約数和(自身を含む): 273553176

約数和(自身を除く): 192098856

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, 113131, 226262, 339393, 452524, 565655, 678786, 905048, 1018179, 1131310, 1357572, 1696965, 1810096, 2036358, 2262620, 2715144, 3393930, 4072716, 4525240, 5090895, 5430288, 6787860, 8145432, 9050480, 10181790, 13575720, 16290864, 20363580, 27151440, 40727160, 81454320]

約数ペア:

[(1, 81454320), (2, 40727160), (3, 27151440), (4, 20363580), (5, 16290864), (6, 13575720), (8, 10181790), (9, 9050480), (10, 8145432), (12, 6787860), (15, 5430288), (16, 5090895), (18, 4525240), (20, 4072716), (24, 3393930), (30, 2715144), (36, 2262620), (40, 2036358), (45, 1810096), (48, 1696965), (60, 1357572), (72, 1131310), (80, 1018179), (90, 905048), (120, 678786), (144, 565655), (180, 452524), (240, 339393), (360, 226262), (720, 113131)]