261268560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51839}}^1$

素因数の和:51865

約数の個数: 120

約数和(自身を含む): 1002792960

約数和(自身を除く): 741524400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51839, 103678, 155517, 207356, 259195, 311034, 362873, 414712, 466551, 518390, 622068, 725746, 777585, 829424, 933102, 1036780, 1088619, 1244136, 1451492, 1555170, 1814365, 1866204, 2073560, 2177238, 2332755, 2488272, 2902984, 3110340, 3265857, 3628730, 3732408, 4147120, 4354476, 4665510, 5443095, 5805968, 6220680, 6531714, 7257460, 7464816, 8708952, 9331020, 10886190, 12441360, 13063428, 14514920, 16329285, 17417904, 18662040, 21772380, 26126856, 29029840, 32658570, 37324080, 43544760, 52253712, 65317140, 87089520, 130634280, 261268560]

約数ペア:

[(1, 261268560), (2, 130634280), (3, 87089520), (4, 65317140), (5, 52253712), (6, 43544760), (7, 37324080), (8, 32658570), (9, 29029840), (10, 26126856), (12, 21772380), (14, 18662040), (15, 17417904), (16, 16329285), (18, 14514920), (20, 13063428), (21, 12441360), (24, 10886190), (28, 9331020), (30, 8708952), (35, 7464816), (36, 7257460), (40, 6531714), (42, 6220680), (45, 5805968), (48, 5443095), (56, 4665510), (60, 4354476), (63, 4147120), (70, 3732408), (72, 3628730), (80, 3265857), (84, 3110340), (90, 2902984), (105, 2488272), (112, 2332755), (120, 2177238), (126, 2073560), (140, 1866204), (144, 1814365), (168, 1555170), (180, 1451492), (210, 1244136), (240, 1088619), (252, 1036780), (280, 933102), (315, 829424), (336, 777585), (360, 725746), (420, 622068), (504, 518390), (560, 466551), (630, 414712), (720, 362873), (840, 311034), (1008, 259195), (1260, 207356), (1680, 155517), (2520, 103678), (5040, 51839)]