161990736

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 432900864

約数和(自身を除く): 270910128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 197, 222, 296, 394, 444, 463, 591, 592, 788, 888, 926, 1182, 1389, 1576, 1776, 1852, 2364, 2778, 3152, 3704, 4728, 5556, 7289, 7408, 9456, 11112, 14578, 17131, 21867, 22224, 29156, 34262, 43734, 51393, 58312, 68524, 87468, 91211, 102786, 116624, 137048, 174936, 182422, 205572, 273633, 274096, 349872, 364844, 411144, 547266, 729688, 822288, 1094532, 1459376, 2189064, 3374807, 4378128, 6749614, 10124421, 13499228, 20248842, 26998456, 40497684, 53996912, 80995368, 161990736]

約数ペア:

[(1, 161990736), (2, 80995368), (3, 53996912), (4, 40497684), (6, 26998456), (8, 20248842), (12, 13499228), (16, 10124421), (24, 6749614), (37, 4378128), (48, 3374807), (74, 2189064), (111, 1459376), (148, 1094532), (197, 822288), (222, 729688), (296, 547266), (394, 411144), (444, 364844), (463, 349872), (591, 274096), (592, 273633), (788, 205572), (888, 182422), (926, 174936), (1182, 137048), (1389, 116624), (1576, 102786), (1776, 91211), (1852, 87468), (2364, 68524), (2778, 58312), (3152, 51393), (3704, 43734), (4728, 34262), (5556, 29156), (7289, 22224), (7408, 21867), (9456, 17131), (11112, 14578)]