81615408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 175510992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 59, 69, 84, 92, 112, 118, 138, 161, 168, 177, 179, 184, 236, 276, 322, 336, 354, 358, 368, 413, 472, 483, 537, 552, 644, 708, 716, 826, 944, 966, 1074, 1104, 1239, 1253, 1288, 1357, 1416, 1432, 1652, 1932, 2148, 2478, 2506, 2576, 2714, 2832, 2864, 3304, 3759, 3864, 4071, 4117, 4296, 4956, 5012, 5428, 6608, 7518, 7728, 8142, 8234, 8592, 9499, 9912, 10024, 10561, 10856, 12351, 15036, 16284, 16468, 18998, 19824, 20048, 21122, 21712, 24702, 28497, 28819, 30072, 31683, 32568, 32936, 37996, 42244, 49404, 56994, 57638, 60144, 63366, 65136, 65872, 73927, 75992, 84488, 86457, 98808, 113988, 115276, 126732, 147854, 151984, 168976, 172914, 197616, 221781, 227976, 230552, 242903, 253464, 295708, 345828, 443562, 455952, 461104, 485806, 506928, 591416, 691656, 728709, 887124, 971612, 1182832, 1383312, 1457418, 1700321, 1774248, 1943224, 2914836, 3400642, 3548496, 3886448, 5100963, 5829672, 6801284, 10201926, 11659344, 13602568, 20403852, 27205136, 40807704, 81615408]

約数ペア:

[(1, 81615408), (2, 40807704), (3, 27205136), (4, 20403852), (6, 13602568), (7, 11659344), (8, 10201926), (12, 6801284), (14, 5829672), (16, 5100963), (21, 3886448), (23, 3548496), (24, 3400642), (28, 2914836), (42, 1943224), (46, 1774248), (48, 1700321), (56, 1457418), (59, 1383312), (69, 1182832), (84, 971612), (92, 887124), (112, 728709), (118, 691656), (138, 591416), (161, 506928), (168, 485806), (177, 461104), (179, 455952), (184, 443562), (236, 345828), (276, 295708), (322, 253464), (336, 242903), (354, 230552), (358, 227976), (368, 221781), (413, 197616), (472, 172914), (483, 168976), (537, 151984), (552, 147854), (644, 126732), (708, 115276), (716, 113988), (826, 98808), (944, 86457), (966, 84488), (1074, 75992), (1104, 73927), (1239, 65872), (1253, 65136), (1288, 63366), (1357, 60144), (1416, 57638), (1432, 56994), (1652, 49404), (1932, 42244), (2148, 37996), (2478, 32936), (2506, 32568), (2576, 31683), (2714, 30072), (2832, 28819), (2864, 28497), (3304, 24702), (3759, 21712), (3864, 21122), (4071, 20048), (4117, 19824), (4296, 18998), (4956, 16468), (5012, 16284), (5428, 15036), (6608, 12351), (7518, 10856), (7728, 10561), (8142, 10024), (8234, 9912), (8592, 9499)]