128709120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{16759}}^1$

素因数の和:16785

約数の個数: 80

約数和(自身を含む): 411491520

約数和(自身を除く): 282782400

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, 16759, 33518, 50277, 67036, 83795, 100554, 134072, 167590, 201108, 251385, 268144, 335180, 402216, 502770, 536288, 670360, 804432, 1005540, 1072576, 1340720, 1608864, 2011080, 2145152, 2681440, 3217728, 4022160, 4290304, 5362880, 6435456, 8044320, 8580608, 10725760, 12870912, 16088640, 21451520, 25741824, 32177280, 42903040, 64354560, 128709120]

約数ペア:

[(1, 128709120), (2, 64354560), (3, 42903040), (4, 32177280), (5, 25741824), (6, 21451520), (8, 16088640), (10, 12870912), (12, 10725760), (15, 8580608), (16, 8044320), (20, 6435456), (24, 5362880), (30, 4290304), (32, 4022160), (40, 3217728), (48, 2681440), (60, 2145152), (64, 2011080), (80, 1608864), (96, 1340720), (120, 1072576), (128, 1005540), (160, 804432), (192, 670360), (240, 536288), (256, 502770), (320, 402216), (384, 335180), (480, 268144), (512, 251385), (640, 201108), (768, 167590), (960, 134072), (1280, 100554), (1536, 83795), (1920, 67036), (2560, 50277), (3840, 33518), (7680, 16759)]