135286720

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1009}}^1$

素因数の和:1445

約数の個数: 56

約数和(自身を含む): 323240400

約数和(自身を除く): 187953680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 1009, 1676, 2018, 2095, 3352, 4036, 4190, 5045, 6704, 8072, 8380, 10090, 13408, 16144, 16760, 20180, 26816, 32288, 33520, 40360, 64576, 67040, 80720, 134080, 161440, 322880, 422771, 845542, 1691084, 2113855, 3382168, 4227710, 6764336, 8455420, 13528672, 16910840, 27057344, 33821680, 67643360, 135286720]

約数ペア:

[(1, 135286720), (2, 67643360), (4, 33821680), (5, 27057344), (8, 16910840), (10, 13528672), (16, 8455420), (20, 6764336), (32, 4227710), (40, 3382168), (64, 2113855), (80, 1691084), (160, 845542), (320, 422771), (419, 322880), (838, 161440), (1009, 134080), (1676, 80720), (2018, 67040), (2095, 64576), (3352, 40360), (4036, 33520), (4190, 32288), (5045, 26816), (6704, 20180), (8072, 16760), (8380, 16144), (10090, 13408)]