256543848

素因数分解:

$2^3\times 3^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 831283200

約数和(自身を除く): 574739352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 43, 44, 54, 62, 66, 72, 81, 86, 88, 93, 99, 108, 124, 129, 132, 162, 172, 186, 198, 216, 243, 248, 258, 264, 279, 297, 324, 341, 344, 372, 387, 396, 473, 486, 516, 558, 594, 648, 682, 729, 744, 774, 792, 837, 891, 946, 972, 1023, 1032, 1116, 1161, 1188, 1333, 1364, 1419, 1458, 1548, 1674, 1782, 1892, 1944, 2046, 2187, 2232, 2322, 2376, 2511, 2666, 2673, 2728, 2838, 2916, 3069, 3096, 3348, 3483, 3564, 3784, 3999, 4092, 4257, 4374, 4644, 5022, 5332, 5346, 5676, 5832, 6138, 6696, 6966, 7128, 7533, 7998, 8019, 8184, 8514, 8748, 9207, 9288, 10044, 10449, 10664, 10692, 11352, 11997, 12276, 12771, 13932, 14663, 15066, 15996, 16038, 17028, 17496, 18414, 20088, 20898, 21384, 22599, 23994, 24057, 24552, 25542, 27621, 27864, 29326, 30132, 31347, 31992, 32076, 34056, 35991, 36828, 38313, 41796, 43989, 45198, 47988, 48114, 51084, 55242, 58652, 60264, 62694, 64152, 67797, 71982, 73656, 76626, 82863, 83592, 87978, 90396, 94041, 95976, 96228, 102168, 107973, 110484, 114939, 117304, 125388, 131967, 135594, 143964, 153252, 165726, 175956, 180792, 188082, 192456, 215946, 220968, 229878, 248589, 250776, 263934, 271188, 287928, 306504, 323919, 331452, 344817, 351912, 376164, 395901, 431892, 459756, 497178, 527868, 542376, 647838, 662904, 689634, 745767, 752328, 791802, 863784, 919512, 971757, 994356, 1034451, 1055736, 1187703, 1295676, 1379268, 1491534, 1583604, 1943514, 1988712, 2068902, 2375406, 2591352, 2758536, 2915271, 2983068, 3167208, 3563109, 3887028, 4137804, 4750812, 5830542, 5966136, 7126218, 7774056, 8275608, 9501624, 10689327, 11661084, 14252436, 21378654, 23322168, 28504872, 32067981, 42757308, 64135962, 85514616, 128271924, 256543848]

約数ペア:

[(1, 256543848), (2, 128271924), (3, 85514616), (4, 64135962), (6, 42757308), (8, 32067981), (9, 28504872), (11, 23322168), (12, 21378654), (18, 14252436), (22, 11661084), (24, 10689327), (27, 9501624), (31, 8275608), (33, 7774056), (36, 7126218), (43, 5966136), (44, 5830542), (54, 4750812), (62, 4137804), (66, 3887028), (72, 3563109), (81, 3167208), (86, 2983068), (88, 2915271), (93, 2758536), (99, 2591352), (108, 2375406), (124, 2068902), (129, 1988712), (132, 1943514), (162, 1583604), (172, 1491534), (186, 1379268), (198, 1295676), (216, 1187703), (243, 1055736), (248, 1034451), (258, 994356), (264, 971757), (279, 919512), (297, 863784), (324, 791802), (341, 752328), (344, 745767), (372, 689634), (387, 662904), (396, 647838), (473, 542376), (486, 527868), (516, 497178), (558, 459756), (594, 431892), (648, 395901), (682, 376164), (729, 351912), (744, 344817), (774, 331452), (792, 323919), (837, 306504), (891, 287928), (946, 271188), (972, 263934), (1023, 250776), (1032, 248589), (1116, 229878), (1161, 220968), (1188, 215946), (1333, 192456), (1364, 188082), (1419, 180792), (1458, 175956), (1548, 165726), (1674, 153252), (1782, 143964), (1892, 135594), (1944, 131967), (2046, 125388), (2187, 117304), (2232, 114939), (2322, 110484), (2376, 107973), (2511, 102168), (2666, 96228), (2673, 95976), (2728, 94041), (2838, 90396), (2916, 87978), (3069, 83592), (3096, 82863), (3348, 76626), (3483, 73656), (3564, 71982), (3784, 67797), (3999, 64152), (4092, 62694), (4257, 60264), (4374, 58652), (4644, 55242), (5022, 51084), (5332, 48114), (5346, 47988), (5676, 45198), (5832, 43989), (6138, 41796), (6696, 38313), (6966, 36828), (7128, 35991), (7533, 34056), (7998, 32076), (8019, 31992), (8184, 31347), (8514, 30132), (8748, 29326), (9207, 27864), (9288, 27621), (10044, 25542), (10449, 24552), (10664, 24057), (10692, 23994), (11352, 22599), (11997, 21384), (12276, 20898), (12771, 20088), (13932, 18414), (14663, 17496), (15066, 17028), (15996, 16038)]