21776720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 59484288

約数和(自身を除く): 37707568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1051, 1295, 1480, 2072, 2102, 2590, 2960, 4144, 4204, 5180, 5255, 7357, 8408, 10360, 10510, 14714, 16816, 20720, 21020, 29428, 36785, 38887, 42040, 58856, 73570, 77774, 84080, 117712, 147140, 155548, 194435, 272209, 294280, 311096, 388870, 544418, 588560, 622192, 777740, 1088836, 1361045, 1555480, 2177672, 2722090, 3110960, 4355344, 5444180, 10888360, 21776720]

約数ペア:

[(1, 21776720), (2, 10888360), (4, 5444180), (5, 4355344), (7, 3110960), (8, 2722090), (10, 2177672), (14, 1555480), (16, 1361045), (20, 1088836), (28, 777740), (35, 622192), (37, 588560), (40, 544418), (56, 388870), (70, 311096), (74, 294280), (80, 272209), (112, 194435), (140, 155548), (148, 147140), (185, 117712), (259, 84080), (280, 77774), (296, 73570), (370, 58856), (518, 42040), (560, 38887), (592, 36785), (740, 29428), (1036, 21020), (1051, 20720), (1295, 16816), (1480, 14714), (2072, 10510), (2102, 10360), (2590, 8408), (2960, 7357), (4144, 5255), (4204, 5180)]