72162540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400903}}^1$

素因数の和:400918

約数の個数: 36

約数和(自身を含む): 218893584

約数和(自身を除く): 146731044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400903, 801806, 1202709, 1603612, 2004515, 2405418, 3608127, 4009030, 4810836, 6013545, 7216254, 8018060, 12027090, 14432508, 18040635, 24054180, 36081270, 72162540]

約数ペア:

[(1, 72162540), (2, 36081270), (3, 24054180), (4, 18040635), (5, 14432508), (6, 12027090), (9, 8018060), (10, 7216254), (12, 6013545), (15, 4810836), (18, 4009030), (20, 3608127), (30, 2405418), (36, 2004515), (45, 1603612), (60, 1202709), (90, 801806), (180, 400903)]