172469985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 300464640

約数和(自身を除く): 127994655

約数列:

[1, 3, 5, 15, 23, 41, 69, 89, 115, 123, 137, 205, 267, 345, 411, 445, 615, 685, 943, 1335, 2047, 2055, 2829, 3151, 3649, 4715, 5617, 6141, 9453, 10235, 10947, 12193, 14145, 15755, 16851, 18245, 28085, 30705, 36579, 47265, 54735, 60965, 83927, 84255, 129191, 182895, 251781, 280439, 387573, 419635, 499913, 645955, 841317, 1258905, 1402195, 1499739, 1937865, 2499565, 4206585, 7498695, 11497999, 34493997, 57489995, 172469985]

約数ペア:

[(1, 172469985), (3, 57489995), (5, 34493997), (15, 11497999), (23, 7498695), (41, 4206585), (69, 2499565), (89, 1937865), (115, 1499739), (123, 1402195), (137, 1258905), (205, 841317), (267, 645955), (345, 499913), (411, 419635), (445, 387573), (615, 280439), (685, 251781), (943, 182895), (1335, 129191), (2047, 84255), (2055, 83927), (2829, 60965), (3151, 54735), (3649, 47265), (4715, 36579), (5617, 30705), (6141, 28085), (9453, 18245), (10235, 16851), (10947, 15755), (12193, 14145)]