20158080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10499}}^1$

素因数の和:10521

約数の個数: 64

約数和(自身を含む): 64260000

約数和(自身を除く): 44101920

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, 10499, 20998, 31497, 41996, 52495, 62994, 83992, 104990, 125988, 157485, 167984, 209980, 251976, 314970, 335968, 419960, 503952, 629940, 671936, 839920, 1007904, 1259880, 1343872, 1679840, 2015808, 2519760, 3359680, 4031616, 5039520, 6719360, 10079040, 20158080]

約数ペア:

[(1, 20158080), (2, 10079040), (3, 6719360), (4, 5039520), (5, 4031616), (6, 3359680), (8, 2519760), (10, 2015808), (12, 1679840), (15, 1343872), (16, 1259880), (20, 1007904), (24, 839920), (30, 671936), (32, 629940), (40, 503952), (48, 419960), (60, 335968), (64, 314970), (80, 251976), (96, 209980), (120, 167984), (128, 157485), (160, 125988), (192, 104990), (240, 83992), (320, 62994), (384, 52495), (480, 41996), (640, 31497), (960, 20998), (1920, 10499)]