1968391680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{256301}}^1$

素因数の和:256327

約数の個数: 80

約数和(自身を含む): 6292726704

約数和(自身を除く): 4324335024

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 256301, 512602, 768903, 1025204, 1281505, 1537806, 2050408, 2563010, 3075612, 3844515, 4100816, 5126020, 6151224, 7689030, 8201632, 10252040, 12302448, 15378060, 16403264, 20504080, 24604896, 30756120, 32806528, 41008160, 49209792, 61512240, 65613056, 82016320, 98419584, 123024480, 131226112, 164032640, 196839168, 246048960, 328065280, 393678336, 492097920, 656130560, 984195840, 1968391680]

約数ペア:

[(1, 1968391680), (2, 984195840), (3, 656130560), (4, 492097920), (5, 393678336), (6, 328065280), (8, 246048960), (10, 196839168), (12, 164032640), (15, 131226112), (16, 123024480), (20, 98419584), (24, 82016320), (30, 65613056), (32, 61512240), (40, 49209792), (48, 41008160), (60, 32806528), (64, 30756120), (80, 24604896), (96, 20504080), (120, 16403264), (128, 15378060), (160, 12302448), (192, 10252040), (240, 8201632), (256, 7689030), (320, 6151224), (384, 5126020), (480, 4100816), (512, 3844515), (640, 3075612), (768, 2563010), (960, 2050408), (1280, 1537806), (1536, 1281505), (1920, 1025204), (2560, 768903), (3840, 512602), (7680, 256301)]