8720537385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1949}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 16341811200

約数和(自身を除く): 7621273815

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 991, 1505, 1949, 2973, 4515, 4955, 5847, 6937, 9745, 13643, 14865, 20811, 29235, 34685, 40929, 42613, 68215, 83807, 104055, 127839, 204645, 213065, 251421, 298291, 419035, 586649, 639195, 894873, 1257105, 1491455, 1759947, 1931459, 2933245, 4474365, 5794377, 8799735, 9657295, 13520213, 28971885, 40560639, 67601065, 83052737, 202803195, 249158211, 415263685, 581369159, 1245791055, 1744107477, 2906845795, 8720537385]

約数ペア:

[(1, 8720537385), (3, 2906845795), (5, 1744107477), (7, 1245791055), (15, 581369159), (21, 415263685), (35, 249158211), (43, 202803195), (105, 83052737), (129, 67601065), (215, 40560639), (301, 28971885), (645, 13520213), (903, 9657295), (991, 8799735), (1505, 5794377), (1949, 4474365), (2973, 2933245), (4515, 1931459), (4955, 1759947), (5847, 1491455), (6937, 1257105), (9745, 894873), (13643, 639195), (14865, 586649), (20811, 419035), (29235, 298291), (34685, 251421), (40929, 213065), (42613, 204645), (68215, 127839), (83807, 104055)]