128563605

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 248396544

約数和(自身を除く): 119832939

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 81, 85, 135, 153, 213, 255, 263, 355, 405, 459, 639, 765, 789, 1065, 1207, 1315, 1377, 1917, 2295, 2367, 3195, 3621, 3945, 4471, 5751, 6035, 6885, 7101, 9585, 10863, 11835, 13413, 18105, 18673, 21303, 22355, 28755, 32589, 35505, 40239, 54315, 56019, 67065, 93365, 97767, 106515, 120717, 162945, 168057, 201195, 280095, 317441, 362151, 488835, 504171, 603585, 840285, 952323, 1512513, 1587205, 1810755, 2520855, 2856969, 4761615, 7562565, 8570907, 14284845, 25712721, 42854535, 128563605]

約数ペア:

[(1, 128563605), (3, 42854535), (5, 25712721), (9, 14284845), (15, 8570907), (17, 7562565), (27, 4761615), (45, 2856969), (51, 2520855), (71, 1810755), (81, 1587205), (85, 1512513), (135, 952323), (153, 840285), (213, 603585), (255, 504171), (263, 488835), (355, 362151), (405, 317441), (459, 280095), (639, 201195), (765, 168057), (789, 162945), (1065, 120717), (1207, 106515), (1315, 97767), (1377, 93365), (1917, 67065), (2295, 56019), (2367, 54315), (3195, 40239), (3621, 35505), (3945, 32589), (4471, 28755), (5751, 22355), (6035, 21303), (6885, 18673), (7101, 18105), (9585, 13413), (10863, 11835)]