261720144

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{259643}}^1$

素因数の和:259664

約数の個数: 60

約数和(自身を含む): 837092256

約数和(自身を除く): 575372112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 259643, 519286, 778929, 1038572, 1557858, 1817501, 2077144, 2336787, 3115716, 3635002, 4154288, 4673574, 5452503, 6231432, 7270004, 9347148, 10905006, 12462864, 14540008, 16357509, 18694296, 21810012, 29080016, 32715018, 37388592, 43620024, 65430036, 87240048, 130860072, 261720144]

約数ペア:

[(1, 261720144), (2, 130860072), (3, 87240048), (4, 65430036), (6, 43620024), (7, 37388592), (8, 32715018), (9, 29080016), (12, 21810012), (14, 18694296), (16, 16357509), (18, 14540008), (21, 12462864), (24, 10905006), (28, 9347148), (36, 7270004), (42, 6231432), (48, 5452503), (56, 4673574), (63, 4154288), (72, 3635002), (84, 3115716), (112, 2336787), (126, 2077144), (144, 1817501), (168, 1557858), (252, 1038572), (336, 778929), (504, 519286), (1008, 259643)]