981531264

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 256

約数和(自身を含む): 3125606400

約数和(自身を除く): 2144075136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 71, 74, 84, 96, 111, 112, 128, 139, 142, 148, 168, 192, 213, 222, 224, 259, 278, 284, 296, 336, 384, 417, 426, 444, 448, 497, 518, 556, 568, 592, 672, 777, 834, 852, 888, 896, 973, 994, 1036, 1112, 1136, 1184, 1344, 1491, 1554, 1668, 1704, 1776, 1946, 1988, 2072, 2224, 2272, 2368, 2627, 2688, 2919, 2982, 3108, 3336, 3408, 3552, 3892, 3976, 4144, 4448, 4544, 4736, 5143, 5254, 5838, 5964, 6216, 6672, 6816, 7104, 7784, 7881, 7952, 8288, 8896, 9088, 9869, 10286, 10508, 11676, 11928, 12432, 13344, 13632, 14208, 15429, 15568, 15762, 15904, 16576, 17792, 18389, 19738, 20572, 21016, 23352, 23856, 24864, 26688, 27264, 29607, 30858, 31136, 31524, 31808, 33152, 36001, 36778, 39476, 41144, 42032, 46704, 47712, 49728, 53376, 55167, 59214, 61716, 62272, 63048, 63616, 69083, 72002, 73556, 78952, 82288, 84064, 93408, 95424, 99456, 108003, 110334, 118428, 123432, 124544, 126096, 138166, 144004, 147112, 157904, 164576, 168128, 186816, 190848, 207249, 216006, 220668, 236856, 246864, 252192, 276332, 288008, 294224, 315808, 329152, 336256, 365153, 373632, 414498, 432012, 441336, 473712, 493728, 504384, 552664, 576016, 588448, 631616, 658304, 730306, 828996, 864024, 882672, 947424, 987456, 1008768, 1095459, 1105328, 1152032, 1176896, 1263232, 1460612, 1657992, 1728048, 1765344, 1894848, 1974912, 2190918, 2210656, 2304064, 2353792, 2556071, 2921224, 3315984, 3456096, 3530688, 3789696, 4381836, 4421312, 4608128, 5112142, 5842448, 6631968, 6912192, 7061376, 7668213, 8763672, 8842624, 10224284, 11684896, 13263936, 13824384, 15336426, 17527344, 20448568, 23369792, 26527872, 30672852, 35054688, 40897136, 46739584, 61345704, 70109376, 81794272, 122691408, 140218752, 163588544, 245382816, 327177088, 490765632, 981531264]

約数ペア:

[(1, 981531264), (2, 490765632), (3, 327177088), (4, 245382816), (6, 163588544), (7, 140218752), (8, 122691408), (12, 81794272), (14, 70109376), (16, 61345704), (21, 46739584), (24, 40897136), (28, 35054688), (32, 30672852), (37, 26527872), (42, 23369792), (48, 20448568), (56, 17527344), (64, 15336426), (71, 13824384), (74, 13263936), (84, 11684896), (96, 10224284), (111, 8842624), (112, 8763672), (128, 7668213), (139, 7061376), (142, 6912192), (148, 6631968), (168, 5842448), (192, 5112142), (213, 4608128), (222, 4421312), (224, 4381836), (259, 3789696), (278, 3530688), (284, 3456096), (296, 3315984), (336, 2921224), (384, 2556071), (417, 2353792), (426, 2304064), (444, 2210656), (448, 2190918), (497, 1974912), (518, 1894848), (556, 1765344), (568, 1728048), (592, 1657992), (672, 1460612), (777, 1263232), (834, 1176896), (852, 1152032), (888, 1105328), (896, 1095459), (973, 1008768), (994, 987456), (1036, 947424), (1112, 882672), (1136, 864024), (1184, 828996), (1344, 730306), (1491, 658304), (1554, 631616), (1668, 588448), (1704, 576016), (1776, 552664), (1946, 504384), (1988, 493728), (2072, 473712), (2224, 441336), (2272, 432012), (2368, 414498), (2627, 373632), (2688, 365153), (2919, 336256), (2982, 329152), (3108, 315808), (3336, 294224), (3408, 288008), (3552, 276332), (3892, 252192), (3976, 246864), (4144, 236856), (4448, 220668), (4544, 216006), (4736, 207249), (5143, 190848), (5254, 186816), (5838, 168128), (5964, 164576), (6216, 157904), (6672, 147112), (6816, 144004), (7104, 138166), (7784, 126096), (7881, 124544), (7952, 123432), (8288, 118428), (8896, 110334), (9088, 108003), (9869, 99456), (10286, 95424), (10508, 93408), (11676, 84064), (11928, 82288), (12432, 78952), (13344, 73556), (13632, 72002), (14208, 69083), (15429, 63616), (15568, 63048), (15762, 62272), (15904, 61716), (16576, 59214), (17792, 55167), (18389, 53376), (19738, 49728), (20572, 47712), (21016, 46704), (23352, 42032), (23856, 41144), (24864, 39476), (26688, 36778), (27264, 36001), (29607, 33152), (30858, 31808), (31136, 31524)]