31272320

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 75533040

約数和(自身を除く): 44260720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 373, 524, 640, 655, 746, 1048, 1310, 1492, 1865, 2096, 2620, 2984, 3730, 4192, 5240, 5968, 7460, 8384, 10480, 11936, 14920, 16768, 20960, 23872, 29840, 41920, 47744, 48863, 59680, 83840, 97726, 119360, 195452, 238720, 244315, 390904, 488630, 781808, 977260, 1563616, 1954520, 3127232, 3909040, 6254464, 7818080, 15636160, 31272320]

約数ペア:

[(1, 31272320), (2, 15636160), (4, 7818080), (5, 6254464), (8, 3909040), (10, 3127232), (16, 1954520), (20, 1563616), (32, 977260), (40, 781808), (64, 488630), (80, 390904), (128, 244315), (131, 238720), (160, 195452), (262, 119360), (320, 97726), (373, 83840), (524, 59680), (640, 48863), (655, 47744), (746, 41920), (1048, 29840), (1310, 23872), (1492, 20960), (1865, 16768), (2096, 14920), (2620, 11936), (2984, 10480), (3730, 8384), (4192, 7460), (5240, 5968)]