12907840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 112

約数和(自身を含む): 35478720

約数和(自身を除く): 22570880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 193, 209, 220, 304, 320, 352, 380, 386, 418, 440, 608, 704, 760, 772, 836, 880, 965, 1045, 1216, 1520, 1544, 1672, 1760, 1930, 2090, 2123, 3040, 3088, 3344, 3520, 3667, 3860, 4180, 4246, 6080, 6176, 6688, 7334, 7720, 8360, 8492, 10615, 12352, 13376, 14668, 15440, 16720, 16984, 18335, 21230, 29336, 30880, 33440, 33968, 36670, 40337, 42460, 58672, 61760, 66880, 67936, 73340, 80674, 84920, 117344, 135872, 146680, 161348, 169840, 201685, 234688, 293360, 322696, 339680, 403370, 586720, 645392, 679360, 806740, 1173440, 1290784, 1613480, 2581568, 3226960, 6453920, 12907840]

約数ペア:

[(1, 12907840), (2, 6453920), (4, 3226960), (5, 2581568), (8, 1613480), (10, 1290784), (11, 1173440), (16, 806740), (19, 679360), (20, 645392), (22, 586720), (32, 403370), (38, 339680), (40, 322696), (44, 293360), (55, 234688), (64, 201685), (76, 169840), (80, 161348), (88, 146680), (95, 135872), (110, 117344), (152, 84920), (160, 80674), (176, 73340), (190, 67936), (193, 66880), (209, 61760), (220, 58672), (304, 42460), (320, 40337), (352, 36670), (380, 33968), (386, 33440), (418, 30880), (440, 29336), (608, 21230), (704, 18335), (760, 16984), (772, 16720), (836, 15440), (880, 14668), (965, 13376), (1045, 12352), (1216, 10615), (1520, 8492), (1544, 8360), (1672, 7720), (1760, 7334), (1930, 6688), (2090, 6176), (2123, 6080), (3040, 4246), (3088, 4180), (3344, 3860), (3520, 3667)]