131299520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3391}}^1$

素因数の和:3430

約数の個数: 84

約数和(自身を含む): 343765632

約数和(自身を除く): 212466112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3391, 3520, 3872, 4840, 6782, 7744, 9680, 13564, 16955, 19360, 27128, 33910, 37301, 38720, 54256, 67820, 74602, 108512, 135640, 149204, 186505, 217024, 271280, 298408, 373010, 410311, 542560, 596816, 746020, 820622, 1085120, 1193632, 1492040, 1641244, 2051555, 2387264, 2984080, 3282488, 4103110, 5968160, 6564976, 8206220, 11936320, 13129952, 16412440, 26259904, 32824880, 65649760, 131299520]

約数ペア:

[(1, 131299520), (2, 65649760), (4, 32824880), (5, 26259904), (8, 16412440), (10, 13129952), (11, 11936320), (16, 8206220), (20, 6564976), (22, 5968160), (32, 4103110), (40, 3282488), (44, 2984080), (55, 2387264), (64, 2051555), (80, 1641244), (88, 1492040), (110, 1193632), (121, 1085120), (160, 820622), (176, 746020), (220, 596816), (242, 542560), (320, 410311), (352, 373010), (440, 298408), (484, 271280), (605, 217024), (704, 186505), (880, 149204), (968, 135640), (1210, 108512), (1760, 74602), (1936, 67820), (2420, 54256), (3391, 38720), (3520, 37301), (3872, 33910), (4840, 27128), (6782, 19360), (7744, 16955), (9680, 13564)]