138866280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165317}}^1$

素因数の和:165338

約数の個数: 64

約数和(自身を含む): 476115840

約数和(自身を除く): 337249560

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, 165317, 330634, 495951, 661268, 826585, 991902, 1157219, 1322536, 1653170, 1983804, 2314438, 2479755, 3306340, 3471657, 3967608, 4628876, 4959510, 5786095, 6612680, 6943314, 9257752, 9919020, 11572190, 13886628, 17358285, 19838040, 23144380, 27773256, 34716570, 46288760, 69433140, 138866280]

約数ペア:

[(1, 138866280), (2, 69433140), (3, 46288760), (4, 34716570), (5, 27773256), (6, 23144380), (7, 19838040), (8, 17358285), (10, 13886628), (12, 11572190), (14, 9919020), (15, 9257752), (20, 6943314), (21, 6612680), (24, 5786095), (28, 4959510), (30, 4628876), (35, 3967608), (40, 3471657), (42, 3306340), (56, 2479755), (60, 2314438), (70, 1983804), (84, 1653170), (105, 1322536), (120, 1157219), (140, 991902), (168, 826585), (210, 661268), (280, 495951), (420, 330634), (840, 165317)]