1219383040

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20269}}^1$

素因数の和:20337

約数の個数: 72

約数和(自身を含む): 2983095360

約数和(自身を除く): 1763712320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3760, 6016, 7520, 12032, 15040, 20269, 30080, 40538, 60160, 81076, 101345, 162152, 202690, 324304, 405380, 648608, 810760, 952643, 1297216, 1621520, 1905286, 2594432, 3243040, 3810572, 4763215, 5188864, 6486080, 7621144, 9526430, 12972160, 15242288, 19052860, 25944320, 30484576, 38105720, 60969152, 76211440, 121938304, 152422880, 243876608, 304845760, 609691520, 1219383040]

約数ペア:

[(1, 1219383040), (2, 609691520), (4, 304845760), (5, 243876608), (8, 152422880), (10, 121938304), (16, 76211440), (20, 60969152), (32, 38105720), (40, 30484576), (47, 25944320), (64, 19052860), (80, 15242288), (94, 12972160), (128, 9526430), (160, 7621144), (188, 6486080), (235, 5188864), (256, 4763215), (320, 3810572), (376, 3243040), (470, 2594432), (640, 1905286), (752, 1621520), (940, 1297216), (1280, 952643), (1504, 810760), (1880, 648608), (3008, 405380), (3760, 324304), (6016, 202690), (7520, 162152), (12032, 101345), (15040, 81076), (20269, 60160), (30080, 40538)]