643186080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{446657}}^1$

素因数の和:446678

約数の個数: 72

約数和(自身を含む): 2194877412

約数和(自身を除く): 1551691332

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 446657, 893314, 1339971, 1786628, 2233285, 2679942, 3573256, 4019913, 4466570, 5359884, 6699855, 7146512, 8039826, 8933140, 10719768, 13399710, 14293024, 16079652, 17866280, 20099565, 21439536, 26799420, 32159304, 35732560, 40199130, 42879072, 53598840, 64318608, 71465120, 80398260, 107197680, 128637216, 160796520, 214395360, 321593040, 643186080]

約数ペア:

[(1, 643186080), (2, 321593040), (3, 214395360), (4, 160796520), (5, 128637216), (6, 107197680), (8, 80398260), (9, 71465120), (10, 64318608), (12, 53598840), (15, 42879072), (16, 40199130), (18, 35732560), (20, 32159304), (24, 26799420), (30, 21439536), (32, 20099565), (36, 17866280), (40, 16079652), (45, 14293024), (48, 13399710), (60, 10719768), (72, 8933140), (80, 8039826), (90, 7146512), (96, 6699855), (120, 5359884), (144, 4466570), (160, 4019913), (180, 3573256), (240, 2679942), (288, 2233285), (360, 1786628), (480, 1339971), (720, 893314), (1440, 446657)]