138139920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{191861}}^1$

素因数の和:191880

約数の個数: 60

約数和(自身を含む): 463922316

約数和(自身を除く): 325782396

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, 191861, 383722, 575583, 767444, 959305, 1151166, 1534888, 1726749, 1918610, 2302332, 2877915, 3069776, 3453498, 3837220, 4604664, 5755830, 6906996, 7674440, 8633745, 9209328, 11511660, 13813992, 15348880, 17267490, 23023320, 27627984, 34534980, 46046640, 69069960, 138139920]

約数ペア:

[(1, 138139920), (2, 69069960), (3, 46046640), (4, 34534980), (5, 27627984), (6, 23023320), (8, 17267490), (9, 15348880), (10, 13813992), (12, 11511660), (15, 9209328), (16, 8633745), (18, 7674440), (20, 6906996), (24, 5755830), (30, 4604664), (36, 3837220), (40, 3453498), (45, 3069776), (48, 2877915), (60, 2302332), (72, 1918610), (80, 1726749), (90, 1534888), (120, 1151166), (144, 959305), (180, 767444), (240, 575583), (360, 383722), (720, 191861)]