161311788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 471744000

約数和(自身を除く): 310432212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 89, 92, 99, 132, 138, 178, 198, 199, 207, 253, 267, 276, 356, 396, 398, 414, 506, 534, 597, 759, 796, 801, 828, 979, 1012, 1068, 1194, 1518, 1602, 1791, 1958, 2047, 2189, 2277, 2388, 2937, 3036, 3204, 3582, 3916, 4094, 4378, 4554, 4577, 5874, 6141, 6567, 7164, 8188, 8756, 8811, 9108, 9154, 11748, 12282, 13134, 13731, 17622, 17711, 18308, 18423, 19701, 22517, 24564, 26268, 27462, 35244, 35422, 36846, 39402, 41193, 45034, 50347, 53133, 54924, 67551, 70844, 73692, 78804, 82386, 90068, 100694, 106266, 135102, 151041, 159399, 164772, 194821, 201388, 202653, 212532, 270204, 302082, 318798, 389642, 405306, 407353, 453123, 584463, 604164, 637596, 779284, 810612, 814706, 906246, 1168926, 1222059, 1629412, 1753389, 1812492, 2337852, 2444118, 3506778, 3666177, 4480883, 4888236, 7013556, 7332354, 8961766, 13442649, 14664708, 17923532, 26885298, 40327947, 53770596, 80655894, 161311788]

約数ペア:

[(1, 161311788), (2, 80655894), (3, 53770596), (4, 40327947), (6, 26885298), (9, 17923532), (11, 14664708), (12, 13442649), (18, 8961766), (22, 7332354), (23, 7013556), (33, 4888236), (36, 4480883), (44, 3666177), (46, 3506778), (66, 2444118), (69, 2337852), (89, 1812492), (92, 1753389), (99, 1629412), (132, 1222059), (138, 1168926), (178, 906246), (198, 814706), (199, 810612), (207, 779284), (253, 637596), (267, 604164), (276, 584463), (356, 453123), (396, 407353), (398, 405306), (414, 389642), (506, 318798), (534, 302082), (597, 270204), (759, 212532), (796, 202653), (801, 201388), (828, 194821), (979, 164772), (1012, 159399), (1068, 151041), (1194, 135102), (1518, 106266), (1602, 100694), (1791, 90068), (1958, 82386), (2047, 78804), (2189, 73692), (2277, 70844), (2388, 67551), (2937, 54924), (3036, 53133), (3204, 50347), (3582, 45034), (3916, 41193), (4094, 39402), (4378, 36846), (4554, 35422), (4577, 35244), (5874, 27462), (6141, 26268), (6567, 24564), (7164, 22517), (8188, 19701), (8756, 18423), (8811, 18308), (9108, 17711), (9154, 17622), (11748, 13731), (12282, 13134)]