138726560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123863}}^1$

素因数の和:123885

約数の個数: 48

約数和(自身を含む): 374564736

約数和(自身を除く): 235838176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123863, 247726, 495452, 619315, 867041, 990904, 1238630, 1734082, 1981808, 2477260, 3468164, 3963616, 4335205, 4954520, 6936328, 8670410, 9909040, 13872656, 17340820, 19818080, 27745312, 34681640, 69363280, 138726560]

約数ペア:

[(1, 138726560), (2, 69363280), (4, 34681640), (5, 27745312), (7, 19818080), (8, 17340820), (10, 13872656), (14, 9909040), (16, 8670410), (20, 6936328), (28, 4954520), (32, 4335205), (35, 3963616), (40, 3468164), (56, 2477260), (70, 1981808), (80, 1734082), (112, 1238630), (140, 990904), (160, 867041), (224, 619315), (280, 495452), (560, 247726), (1120, 123863)]