145384640

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6865

約数の個数: 56

約数和(自身を含む): 351416112

約数和(自身を除く): 206031472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 6781, 10720, 13562, 21440, 27124, 33905, 54248, 67810, 108496, 135620, 216992, 271240, 433984, 454327, 542480, 908654, 1084960, 1817308, 2169920, 2271635, 3634616, 4543270, 7269232, 9086540, 14538464, 18173080, 29076928, 36346160, 72692320, 145384640]

約数ペア:

[(1, 145384640), (2, 72692320), (4, 36346160), (5, 29076928), (8, 18173080), (10, 14538464), (16, 9086540), (20, 7269232), (32, 4543270), (40, 3634616), (64, 2271635), (67, 2169920), (80, 1817308), (134, 1084960), (160, 908654), (268, 542480), (320, 454327), (335, 433984), (536, 271240), (670, 216992), (1072, 135620), (1340, 108496), (2144, 67810), (2680, 54248), (4288, 33905), (5360, 27124), (6781, 21440), (10720, 13562)]