1287515520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{74509}}^1$

素因数の和:74537

約数の個数: 128

約数和(自身を含む): 4560012000

約数和(自身を除く): 3272496480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 74509, 149018, 223527, 298036, 372545, 447054, 596072, 670581, 745090, 894108, 1117635, 1192144, 1341162, 1490180, 1788216, 2011743, 2235270, 2384288, 2682324, 2980360, 3352905, 3576432, 4023486, 4470540, 4768576, 5364648, 5960720, 6705810, 7152864, 8046972, 8941080, 9537152, 10058715, 10729296, 11921440, 13411620, 14305728, 16093944, 17882160, 20117430, 21458592, 23842880, 26823240, 28611456, 32187888, 35764320, 40234860, 42917184, 47685760, 53646480, 64375776, 71528640, 80469720, 85834368, 107292960, 128751552, 143057280, 160939440, 214585920, 257503104, 321878880, 429171840, 643757760, 1287515520]

約数ペア:

[(1, 1287515520), (2, 643757760), (3, 429171840), (4, 321878880), (5, 257503104), (6, 214585920), (8, 160939440), (9, 143057280), (10, 128751552), (12, 107292960), (15, 85834368), (16, 80469720), (18, 71528640), (20, 64375776), (24, 53646480), (27, 47685760), (30, 42917184), (32, 40234860), (36, 35764320), (40, 32187888), (45, 28611456), (48, 26823240), (54, 23842880), (60, 21458592), (64, 20117430), (72, 17882160), (80, 16093944), (90, 14305728), (96, 13411620), (108, 11921440), (120, 10729296), (128, 10058715), (135, 9537152), (144, 8941080), (160, 8046972), (180, 7152864), (192, 6705810), (216, 5960720), (240, 5364648), (270, 4768576), (288, 4470540), (320, 4023486), (360, 3576432), (384, 3352905), (432, 2980360), (480, 2682324), (540, 2384288), (576, 2235270), (640, 2011743), (720, 1788216), (864, 1490180), (960, 1341162), (1080, 1192144), (1152, 1117635), (1440, 894108), (1728, 745090), (1920, 670581), (2160, 596072), (2880, 447054), (3456, 372545), (4320, 298036), (5760, 223527), (8640, 149018), (17280, 74509)]