291227220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1617929}}^1$

素因数の和:1617944

約数の個数: 36

約数和(自身を含む): 883389780

約数和(自身を除く): 592162560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1617929, 3235858, 4853787, 6471716, 8089645, 9707574, 14561361, 16179290, 19415148, 24268935, 29122722, 32358580, 48537870, 58245444, 72806805, 97075740, 145613610, 291227220]

約数ペア:

[(1, 291227220), (2, 145613610), (3, 97075740), (4, 72806805), (5, 58245444), (6, 48537870), (9, 32358580), (10, 29122722), (12, 24268935), (15, 19415148), (18, 16179290), (20, 14561361), (30, 9707574), (36, 8089645), (45, 6471716), (60, 4853787), (90, 3235858), (180, 1617929)]