66720495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 55207185

約数列:

[1, 3, 5, 15, 17, 19, 47, 51, 57, 85, 95, 141, 235, 255, 285, 293, 323, 705, 799, 879, 893, 969, 1465, 1615, 2397, 2679, 3995, 4395, 4465, 4845, 4981, 5567, 11985, 13395, 13771, 14943, 15181, 16701, 24905, 27835, 41313, 45543, 68855, 74715, 75905, 83505, 94639, 206565, 227715, 234107, 261649, 283917, 473195, 702321, 784947, 1170535, 1308245, 1419585, 3511605, 3924735, 4448033, 13344099, 22240165, 66720495]

約数ペア:

[(1, 66720495), (3, 22240165), (5, 13344099), (15, 4448033), (17, 3924735), (19, 3511605), (47, 1419585), (51, 1308245), (57, 1170535), (85, 784947), (95, 702321), (141, 473195), (235, 283917), (255, 261649), (285, 234107), (293, 227715), (323, 206565), (705, 94639), (799, 83505), (879, 75905), (893, 74715), (969, 68855), (1465, 45543), (1615, 41313), (2397, 27835), (2679, 24905), (3995, 16701), (4395, 15181), (4465, 14943), (4845, 13771), (4981, 13395), (5567, 11985)]