128796570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204439}}^1$

素因数の和:204459

約数の個数: 48

約数和(自身を含む): 382711680

約数和(自身を除く): 253915110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 204439, 408878, 613317, 1022195, 1226634, 1431073, 1839951, 2044390, 2862146, 3066585, 3679902, 4293219, 6133170, 7155365, 8586438, 9199755, 12879657, 14310730, 18399510, 21466095, 25759314, 42932190, 64398285, 128796570]

約数ペア:

[(1, 128796570), (2, 64398285), (3, 42932190), (5, 25759314), (6, 21466095), (7, 18399510), (9, 14310730), (10, 12879657), (14, 9199755), (15, 8586438), (18, 7155365), (21, 6133170), (30, 4293219), (35, 3679902), (42, 3066585), (45, 2862146), (63, 2044390), (70, 1839951), (90, 1431073), (105, 1226634), (126, 1022195), (210, 613317), (315, 408878), (630, 204439)]