256701984

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 883213632

約数和(自身を除く): 626511648

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 41, 42, 44, 48, 49, 56, 66, 77, 82, 84, 88, 96, 98, 112, 121, 123, 132, 147, 154, 164, 168, 176, 196, 224, 231, 242, 246, 264, 287, 294, 308, 328, 336, 352, 363, 392, 451, 462, 484, 492, 528, 539, 574, 588, 616, 656, 672, 726, 784, 847, 861, 902, 924, 968, 984, 1056, 1078, 1148, 1176, 1232, 1312, 1331, 1353, 1452, 1568, 1617, 1694, 1722, 1804, 1848, 1936, 1968, 2009, 2156, 2296, 2352, 2464, 2541, 2662, 2706, 2904, 3157, 3234, 3388, 3444, 3608, 3696, 3872, 3936, 3993, 4018, 4312, 4592, 4704, 4961, 5082, 5324, 5412, 5808, 5929, 6027, 6314, 6468, 6776, 6888, 7216, 7392, 7986, 8036, 8624, 9184, 9317, 9471, 9922, 10164, 10648, 10824, 11616, 11858, 12054, 12628, 12936, 13552, 13776, 14432, 14883, 15972, 16072, 17248, 17787, 18634, 18942, 19844, 20328, 21296, 21648, 22099, 23716, 24108, 25256, 25872, 27104, 27552, 27951, 29766, 31944, 32144, 34727, 35574, 37268, 37884, 39688, 40656, 42592, 43296, 44198, 47432, 48216, 50512, 51744, 54571, 55902, 59532, 63888, 64288, 65219, 66297, 69454, 71148, 74536, 75768, 79376, 81312, 88396, 94864, 96432, 101024, 104181, 109142, 111804, 119064, 127776, 130438, 132594, 138908, 142296, 149072, 151536, 158752, 163713, 176792, 189728, 192864, 195657, 208362, 218284, 223608, 238128, 243089, 260876, 265188, 277816, 284592, 298144, 303072, 327426, 353584, 381997, 391314, 416724, 436568, 447216, 476256, 486178, 521752, 530376, 555632, 569184, 654852, 707168, 729267, 763994, 782628, 833448, 873136, 894432, 972356, 1043504, 1060752, 1111264, 1145991, 1309704, 1458534, 1527988, 1565256, 1666896, 1746272, 1944712, 2087008, 2121504, 2291982, 2619408, 2673979, 2917068, 3055976, 3130512, 3333792, 3889424, 4583964, 5238816, 5347958, 5834136, 6111952, 6261024, 7778848, 8021937, 9167928, 10695916, 11668272, 12223904, 16043874, 18335856, 21391832, 23336544, 32087748, 36671712, 42783664, 64175496, 85567328, 128350992, 256701984]

約数ペア:

[(1, 256701984), (2, 128350992), (3, 85567328), (4, 64175496), (6, 42783664), (7, 36671712), (8, 32087748), (11, 23336544), (12, 21391832), (14, 18335856), (16, 16043874), (21, 12223904), (22, 11668272), (24, 10695916), (28, 9167928), (32, 8021937), (33, 7778848), (41, 6261024), (42, 6111952), (44, 5834136), (48, 5347958), (49, 5238816), (56, 4583964), (66, 3889424), (77, 3333792), (82, 3130512), (84, 3055976), (88, 2917068), (96, 2673979), (98, 2619408), (112, 2291982), (121, 2121504), (123, 2087008), (132, 1944712), (147, 1746272), (154, 1666896), (164, 1565256), (168, 1527988), (176, 1458534), (196, 1309704), (224, 1145991), (231, 1111264), (242, 1060752), (246, 1043504), (264, 972356), (287, 894432), (294, 873136), (308, 833448), (328, 782628), (336, 763994), (352, 729267), (363, 707168), (392, 654852), (451, 569184), (462, 555632), (484, 530376), (492, 521752), (528, 486178), (539, 476256), (574, 447216), (588, 436568), (616, 416724), (656, 391314), (672, 381997), (726, 353584), (784, 327426), (847, 303072), (861, 298144), (902, 284592), (924, 277816), (968, 265188), (984, 260876), (1056, 243089), (1078, 238128), (1148, 223608), (1176, 218284), (1232, 208362), (1312, 195657), (1331, 192864), (1353, 189728), (1452, 176792), (1568, 163713), (1617, 158752), (1694, 151536), (1722, 149072), (1804, 142296), (1848, 138908), (1936, 132594), (1968, 130438), (2009, 127776), (2156, 119064), (2296, 111804), (2352, 109142), (2464, 104181), (2541, 101024), (2662, 96432), (2706, 94864), (2904, 88396), (3157, 81312), (3234, 79376), (3388, 75768), (3444, 74536), (3608, 71148), (3696, 69454), (3872, 66297), (3936, 65219), (3993, 64288), (4018, 63888), (4312, 59532), (4592, 55902), (4704, 54571), (4961, 51744), (5082, 50512), (5324, 48216), (5412, 47432), (5808, 44198), (5929, 43296), (6027, 42592), (6314, 40656), (6468, 39688), (6776, 37884), (6888, 37268), (7216, 35574), (7392, 34727), (7986, 32144), (8036, 31944), (8624, 29766), (9184, 27951), (9317, 27552), (9471, 27104), (9922, 25872), (10164, 25256), (10648, 24108), (10824, 23716), (11616, 22099), (11858, 21648), (12054, 21296), (12628, 20328), (12936, 19844), (13552, 18942), (13776, 18634), (14432, 17787), (14883, 17248), (15972, 16072)]