388620720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{179917}}^1$

素因数の和:179939

約数の個数: 80

約数和(自身を含む): 1338589920

約数和(自身を除く): 949969200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 179917, 359834, 539751, 719668, 899585, 1079502, 1439336, 1619253, 1799170, 2159004, 2698755, 2878672, 3238506, 3598340, 4318008, 4857759, 5397510, 6477012, 7196680, 8096265, 8636016, 9715518, 10795020, 12954024, 14393360, 16192530, 19431036, 21590040, 24288795, 25908048, 32385060, 38862072, 43180080, 48577590, 64770120, 77724144, 97155180, 129540240, 194310360, 388620720]

約数ペア:

[(1, 388620720), (2, 194310360), (3, 129540240), (4, 97155180), (5, 77724144), (6, 64770120), (8, 48577590), (9, 43180080), (10, 38862072), (12, 32385060), (15, 25908048), (16, 24288795), (18, 21590040), (20, 19431036), (24, 16192530), (27, 14393360), (30, 12954024), (36, 10795020), (40, 9715518), (45, 8636016), (48, 8096265), (54, 7196680), (60, 6477012), (72, 5397510), (80, 4857759), (90, 4318008), (108, 3598340), (120, 3238506), (135, 2878672), (144, 2698755), (180, 2159004), (216, 1799170), (240, 1619253), (270, 1439336), (360, 1079502), (432, 899585), (540, 719668), (720, 539751), (1080, 359834), (2160, 179917)]