167428480

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 403516080

約数和(自身を除く): 236087600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 1997, 2096, 2620, 3994, 4192, 5240, 7988, 8384, 9985, 10480, 15976, 16768, 19970, 20960, 31952, 39940, 41920, 63904, 79880, 83840, 127808, 159760, 255616, 261607, 319520, 523214, 639040, 1046428, 1278080, 1308035, 2092856, 2616070, 4185712, 5232140, 8371424, 10464280, 16742848, 20928560, 33485696, 41857120, 83714240, 167428480]

約数ペア:

[(1, 167428480), (2, 83714240), (4, 41857120), (5, 33485696), (8, 20928560), (10, 16742848), (16, 10464280), (20, 8371424), (32, 5232140), (40, 4185712), (64, 2616070), (80, 2092856), (128, 1308035), (131, 1278080), (160, 1046428), (262, 639040), (320, 523214), (524, 319520), (640, 261607), (655, 255616), (1048, 159760), (1310, 127808), (1997, 83840), (2096, 79880), (2620, 63904), (3994, 41920), (4192, 39940), (5240, 31952), (7988, 20960), (8384, 19970), (9985, 16768), (10480, 15976)]