81598080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42499}}^1$

素因数の和:42521

約数の個数: 64

約数和(自身を含む): 260100000

約数和(自身を除く): 178501920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42499, 84998, 127497, 169996, 212495, 254994, 339992, 424990, 509988, 637485, 679984, 849980, 1019976, 1274970, 1359968, 1699960, 2039952, 2549940, 2719936, 3399920, 4079904, 5099880, 5439872, 6799840, 8159808, 10199760, 13599680, 16319616, 20399520, 27199360, 40799040, 81598080]

約数ペア:

[(1, 81598080), (2, 40799040), (3, 27199360), (4, 20399520), (5, 16319616), (6, 13599680), (8, 10199760), (10, 8159808), (12, 6799840), (15, 5439872), (16, 5099880), (20, 4079904), (24, 3399920), (30, 2719936), (32, 2549940), (40, 2039952), (48, 1699960), (60, 1359968), (64, 1274970), (80, 1019976), (96, 849980), (120, 679984), (128, 637485), (160, 509988), (192, 424990), (240, 339992), (320, 254994), (384, 212495), (480, 169996), (640, 127497), (960, 84998), (1920, 42499)]