164956160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 402456600

約数和(自身を除く): 237500440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 181, 256, 320, 356, 362, 445, 512, 640, 712, 724, 890, 905, 1024, 1280, 1424, 1448, 1780, 1810, 2048, 2560, 2848, 2896, 3560, 3620, 5120, 5696, 5792, 7120, 7240, 10240, 11392, 11584, 14240, 14480, 16109, 22784, 23168, 28480, 28960, 32218, 45568, 46336, 56960, 57920, 64436, 80545, 91136, 92672, 113920, 115840, 128872, 161090, 182272, 185344, 227840, 231680, 257744, 322180, 370688, 455680, 463360, 515488, 644360, 911360, 926720, 1030976, 1288720, 1853440, 2061952, 2577440, 4123904, 5154880, 8247808, 10309760, 16495616, 20619520, 32991232, 41239040, 82478080, 164956160]

約数ペア:

[(1, 164956160), (2, 82478080), (4, 41239040), (5, 32991232), (8, 20619520), (10, 16495616), (16, 10309760), (20, 8247808), (32, 5154880), (40, 4123904), (64, 2577440), (80, 2061952), (89, 1853440), (128, 1288720), (160, 1030976), (178, 926720), (181, 911360), (256, 644360), (320, 515488), (356, 463360), (362, 455680), (445, 370688), (512, 322180), (640, 257744), (712, 231680), (724, 227840), (890, 185344), (905, 182272), (1024, 161090), (1280, 128872), (1424, 115840), (1448, 113920), (1780, 92672), (1810, 91136), (2048, 80545), (2560, 64436), (2848, 57920), (2896, 56960), (3560, 46336), (3620, 45568), (5120, 32218), (5696, 28960), (5792, 28480), (7120, 23168), (7240, 22784), (10240, 16109), (11392, 14480), (11584, 14240)]