138698640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192637}}^1$

素因数の和:192656

約数の個数: 60

約数和(自身を含む): 465798684

約数和(自身を除く): 327100044

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, 192637, 385274, 577911, 770548, 963185, 1155822, 1541096, 1733733, 1926370, 2311644, 2889555, 3082192, 3467466, 3852740, 4623288, 5779110, 6934932, 7705480, 8668665, 9246576, 11558220, 13869864, 15410960, 17337330, 23116440, 27739728, 34674660, 46232880, 69349320, 138698640]

約数ペア:

[(1, 138698640), (2, 69349320), (3, 46232880), (4, 34674660), (5, 27739728), (6, 23116440), (8, 17337330), (9, 15410960), (10, 13869864), (12, 11558220), (15, 9246576), (16, 8668665), (18, 7705480), (20, 6934932), (24, 5779110), (30, 4623288), (36, 3852740), (40, 3467466), (45, 3082192), (48, 2889555), (60, 2311644), (72, 1926370), (80, 1733733), (90, 1541096), (120, 1155822), (144, 963185), (180, 770548), (240, 577911), (360, 385274), (720, 192637)]