81452568

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 143533032

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 41, 46, 59, 61, 69, 82, 92, 118, 122, 123, 138, 164, 177, 183, 184, 236, 244, 246, 276, 328, 354, 366, 472, 488, 492, 552, 708, 732, 943, 984, 1357, 1403, 1416, 1464, 1886, 2419, 2501, 2714, 2806, 2829, 3599, 3772, 4071, 4209, 4838, 5002, 5428, 5612, 5658, 7198, 7257, 7503, 7544, 8142, 8418, 9676, 10004, 10797, 10856, 11224, 11316, 14396, 14514, 15006, 16284, 16836, 19352, 20008, 21594, 22632, 28792, 29028, 30012, 32568, 33672, 43188, 55637, 57523, 58056, 60024, 82777, 86376, 111274, 115046, 147559, 165554, 166911, 172569, 222548, 230092, 248331, 295118, 331108, 333822, 345138, 442677, 445096, 460184, 496662, 590236, 662216, 667644, 690276, 885354, 993324, 1180472, 1335288, 1380552, 1770708, 1986648, 3393857, 3541416, 6787714, 10181571, 13575428, 20363142, 27150856, 40726284, 81452568]

約数ペア:

[(1, 81452568), (2, 40726284), (3, 27150856), (4, 20363142), (6, 13575428), (8, 10181571), (12, 6787714), (23, 3541416), (24, 3393857), (41, 1986648), (46, 1770708), (59, 1380552), (61, 1335288), (69, 1180472), (82, 993324), (92, 885354), (118, 690276), (122, 667644), (123, 662216), (138, 590236), (164, 496662), (177, 460184), (183, 445096), (184, 442677), (236, 345138), (244, 333822), (246, 331108), (276, 295118), (328, 248331), (354, 230092), (366, 222548), (472, 172569), (488, 166911), (492, 165554), (552, 147559), (708, 115046), (732, 111274), (943, 86376), (984, 82777), (1357, 60024), (1403, 58056), (1416, 57523), (1464, 55637), (1886, 43188), (2419, 33672), (2501, 32568), (2714, 30012), (2806, 29028), (2829, 28792), (3599, 22632), (3772, 21594), (4071, 20008), (4209, 19352), (4838, 16836), (5002, 16284), (5428, 15006), (5612, 14514), (5658, 14396), (7198, 11316), (7257, 11224), (7503, 10856), (7544, 10797), (8142, 10004), (8418, 9676)]