12765420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70919}}^1$

素因数の和:70934

約数の個数: 36

約数和(自身を含む): 38722320

約数和(自身を除く): 25956900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70919, 141838, 212757, 283676, 354595, 425514, 638271, 709190, 851028, 1063785, 1276542, 1418380, 2127570, 2553084, 3191355, 4255140, 6382710, 12765420]

約数ペア:

[(1, 12765420), (2, 6382710), (3, 4255140), (4, 3191355), (5, 2553084), (6, 2127570), (9, 1418380), (10, 1276542), (12, 1063785), (15, 851028), (18, 709190), (20, 638271), (30, 425514), (36, 354595), (45, 283676), (60, 212757), (90, 141838), (180, 70919)]