71851140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399173}}^1$

素因数の和:399188

約数の個数: 36

約数和(自身を含む): 217949004

約数和(自身を除く): 146097864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399173, 798346, 1197519, 1596692, 1995865, 2395038, 3592557, 3991730, 4790076, 5987595, 7185114, 7983460, 11975190, 14370228, 17962785, 23950380, 35925570, 71851140]

約数ペア:

[(1, 71851140), (2, 35925570), (3, 23950380), (4, 17962785), (5, 14370228), (6, 11975190), (9, 7983460), (10, 7185114), (12, 5987595), (15, 4790076), (18, 3991730), (20, 3592557), (30, 2395038), (36, 1995865), (45, 1596692), (60, 1197519), (90, 798346), (180, 399173)]