138378960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192193}}^1$

素因数の和:192212

約数の個数: 60

約数和(自身を含む): 464725092

約数和(自身を除く): 326346132

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, 192193, 384386, 576579, 768772, 960965, 1153158, 1537544, 1729737, 1921930, 2306316, 2882895, 3075088, 3459474, 3843860, 4612632, 5765790, 6918948, 7687720, 8648685, 9225264, 11531580, 13837896, 15375440, 17297370, 23063160, 27675792, 34594740, 46126320, 69189480, 138378960]

約数ペア:

[(1, 138378960), (2, 69189480), (3, 46126320), (4, 34594740), (5, 27675792), (6, 23063160), (8, 17297370), (9, 15375440), (10, 13837896), (12, 11531580), (15, 9225264), (16, 8648685), (18, 7687720), (20, 6918948), (24, 5765790), (30, 4612632), (36, 3843860), (40, 3459474), (45, 3075088), (48, 2882895), (60, 2306316), (72, 1921930), (80, 1729737), (90, 1537544), (120, 1153158), (144, 960965), (180, 768772), (240, 576579), (360, 384386), (720, 192193)]