13457220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^2$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 43305024

約数和(自身を除く): 29847804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 358, 420, 537, 716, 895, 1074, 1253, 1790, 2148, 2506, 2685, 3580, 3759, 5012, 5370, 6265, 7518, 10740, 12530, 15036, 18795, 25060, 32041, 37590, 64082, 75180, 96123, 128164, 160205, 192246, 224287, 320410, 384492, 448574, 480615, 640820, 672861, 897148, 961230, 1121435, 1345722, 1922460, 2242870, 2691444, 3364305, 4485740, 6728610, 13457220]

約数ペア:

[(1, 13457220), (2, 6728610), (3, 4485740), (4, 3364305), (5, 2691444), (6, 2242870), (7, 1922460), (10, 1345722), (12, 1121435), (14, 961230), (15, 897148), (20, 672861), (21, 640820), (28, 480615), (30, 448574), (35, 384492), (42, 320410), (60, 224287), (70, 192246), (84, 160205), (105, 128164), (140, 96123), (179, 75180), (210, 64082), (358, 37590), (420, 32041), (537, 25060), (716, 18795), (895, 15036), (1074, 12530), (1253, 10740), (1790, 7518), (2148, 6265), (2506, 5370), (2685, 5012), (3580, 3759)]