261281664

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{32401}}^1$

素因数の和:32428

約数の個数: 96

約数和(自身を含む): 859301040

約数和(自身を除く): 598019376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2688, 4032, 8064, 32401, 64802, 97203, 129604, 194406, 226807, 259208, 291609, 388812, 453614, 518416, 583218, 680421, 777624, 907228, 1036832, 1166436, 1360842, 1555248, 1814456, 2041263, 2073664, 2332872, 2721684, 3110496, 3628912, 4082526, 4147328, 4665744, 5443368, 6220992, 7257824, 8165052, 9331488, 10886736, 12441984, 14515648, 16330104, 18662976, 21773472, 29031296, 32660208, 37325952, 43546944, 65320416, 87093888, 130640832, 261281664]

約数ペア:

[(1, 261281664), (2, 130640832), (3, 87093888), (4, 65320416), (6, 43546944), (7, 37325952), (8, 32660208), (9, 29031296), (12, 21773472), (14, 18662976), (16, 16330104), (18, 14515648), (21, 12441984), (24, 10886736), (28, 9331488), (32, 8165052), (36, 7257824), (42, 6220992), (48, 5443368), (56, 4665744), (63, 4147328), (64, 4082526), (72, 3628912), (84, 3110496), (96, 2721684), (112, 2332872), (126, 2073664), (128, 2041263), (144, 1814456), (168, 1555248), (192, 1360842), (224, 1166436), (252, 1036832), (288, 907228), (336, 777624), (384, 680421), (448, 583218), (504, 518416), (576, 453614), (672, 388812), (896, 291609), (1008, 259208), (1152, 226807), (1344, 194406), (2016, 129604), (2688, 97203), (4032, 64802), (8064, 32401)]