128172800

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2894

約数の個数: 108

約数和(自身を含む): 362695536

約数和(自身を除く): 234522736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1600, 1792, 2240, 2800, 2861, 3200, 4480, 5600, 5722, 6400, 8960, 11200, 11444, 14305, 20027, 22400, 22888, 28610, 40054, 44800, 45776, 57220, 71525, 80108, 91552, 100135, 114440, 143050, 160216, 183104, 200270, 228880, 286100, 320432, 366208, 400540, 457760, 500675, 572200, 640864, 732416, 801080, 915520, 1001350, 1144400, 1281728, 1602160, 1831040, 2002700, 2288800, 2563456, 3204320, 3662080, 4005400, 4577600, 5126912, 6408640, 8010800, 9155200, 12817280, 16021600, 18310400, 25634560, 32043200, 64086400, 128172800]

約数ペア:

[(1, 128172800), (2, 64086400), (4, 32043200), (5, 25634560), (7, 18310400), (8, 16021600), (10, 12817280), (14, 9155200), (16, 8010800), (20, 6408640), (25, 5126912), (28, 4577600), (32, 4005400), (35, 3662080), (40, 3204320), (50, 2563456), (56, 2288800), (64, 2002700), (70, 1831040), (80, 1602160), (100, 1281728), (112, 1144400), (128, 1001350), (140, 915520), (160, 801080), (175, 732416), (200, 640864), (224, 572200), (256, 500675), (280, 457760), (320, 400540), (350, 366208), (400, 320432), (448, 286100), (560, 228880), (640, 200270), (700, 183104), (800, 160216), (896, 143050), (1120, 114440), (1280, 100135), (1400, 91552), (1600, 80108), (1792, 71525), (2240, 57220), (2800, 45776), (2861, 44800), (3200, 40054), (4480, 28610), (5600, 22888), (5722, 22400), (6400, 20027), (8960, 14305), (11200, 11444)]