138404280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{164767}}^1$

素因数の和:164788

約数の個数: 64

約数和(自身を含む): 474531840

約数和(自身を除く): 336127560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 164767, 329534, 494301, 659068, 823835, 988602, 1153369, 1318136, 1647670, 1977204, 2306738, 2471505, 3295340, 3460107, 3954408, 4613476, 4943010, 5766845, 6590680, 6920214, 9226952, 9886020, 11533690, 13840428, 17300535, 19772040, 23067380, 27680856, 34601070, 46134760, 69202140, 138404280]

約数ペア:

[(1, 138404280), (2, 69202140), (3, 46134760), (4, 34601070), (5, 27680856), (6, 23067380), (7, 19772040), (8, 17300535), (10, 13840428), (12, 11533690), (14, 9886020), (15, 9226952), (20, 6920214), (21, 6590680), (24, 5766845), (28, 4943010), (30, 4613476), (35, 3954408), (40, 3460107), (42, 3295340), (56, 2471505), (60, 2306738), (70, 1977204), (84, 1647670), (105, 1318136), (120, 1153369), (140, 988602), (168, 823835), (210, 659068), (280, 494301), (420, 329534), (840, 164767)]