140894720

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 80

約数和(自身を含む): 345299328

約数和(自身を除く): 204404608

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, 512, 640, 752, 940, 1171, 1280, 1504, 1880, 2342, 2560, 3008, 3760, 4684, 5855, 6016, 7520, 9368, 11710, 12032, 15040, 18736, 23420, 24064, 30080, 37472, 46840, 55037, 60160, 74944, 93680, 110074, 120320, 149888, 187360, 220148, 275185, 299776, 374720, 440296, 550370, 599552, 749440, 880592, 1100740, 1498880, 1761184, 2201480, 2997760, 3522368, 4402960, 7044736, 8805920, 14089472, 17611840, 28178944, 35223680, 70447360, 140894720]

約数ペア:

[(1, 140894720), (2, 70447360), (4, 35223680), (5, 28178944), (8, 17611840), (10, 14089472), (16, 8805920), (20, 7044736), (32, 4402960), (40, 3522368), (47, 2997760), (64, 2201480), (80, 1761184), (94, 1498880), (128, 1100740), (160, 880592), (188, 749440), (235, 599552), (256, 550370), (320, 440296), (376, 374720), (470, 299776), (512, 275185), (640, 220148), (752, 187360), (940, 149888), (1171, 120320), (1280, 110074), (1504, 93680), (1880, 74944), (2342, 60160), (2560, 55037), (3008, 46840), (3760, 37472), (4684, 30080), (5855, 24064), (6016, 23420), (7520, 18736), (9368, 15040), (11710, 12032)]