256316256

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 216

約数和(自身を含む): 870544584

約数和(自身を除く): 614228328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 49, 56, 63, 72, 82, 84, 96, 98, 112, 123, 126, 144, 147, 164, 168, 196, 224, 246, 252, 287, 288, 294, 328, 336, 369, 392, 441, 443, 492, 504, 574, 588, 656, 672, 738, 784, 861, 882, 886, 984, 1008, 1148, 1176, 1312, 1329, 1476, 1568, 1722, 1764, 1772, 1968, 2009, 2016, 2296, 2352, 2583, 2658, 2952, 3101, 3444, 3528, 3544, 3936, 3987, 4018, 4592, 4704, 5166, 5316, 5904, 6027, 6202, 6888, 7056, 7088, 7974, 8036, 9184, 9303, 10332, 10632, 11808, 12054, 12404, 13776, 14112, 14176, 15948, 16072, 18081, 18163, 18606, 20664, 21264, 21707, 24108, 24808, 27552, 27909, 31896, 32144, 36162, 36326, 37212, 41328, 42528, 43414, 48216, 49616, 54489, 55818, 63792, 64288, 65121, 72324, 72652, 74424, 82656, 86828, 96432, 99232, 108978, 111636, 127141, 127584, 130242, 144648, 145304, 148848, 163467, 173656, 192864, 195363, 217956, 223272, 254282, 260484, 289296, 290608, 297696, 326934, 347312, 381423, 390726, 435912, 446544, 508564, 520968, 578592, 581216, 653868, 694624, 762846, 781452, 871824, 889987, 893088, 1017128, 1041936, 1144269, 1307736, 1525692, 1562904, 1743648, 1779974, 2034256, 2083872, 2288538, 2615472, 2669961, 3051384, 3125808, 3559948, 4068512, 4577076, 5230944, 5339922, 6102768, 6251616, 7119896, 8009883, 9154152, 10679844, 12205536, 14239792, 16019766, 18308304, 21359688, 28479584, 32039532, 36616608, 42719376, 64079064, 85438752, 128158128, 256316256]

約数ペア:

[(1, 256316256), (2, 128158128), (3, 85438752), (4, 64079064), (6, 42719376), (7, 36616608), (8, 32039532), (9, 28479584), (12, 21359688), (14, 18308304), (16, 16019766), (18, 14239792), (21, 12205536), (24, 10679844), (28, 9154152), (32, 8009883), (36, 7119896), (41, 6251616), (42, 6102768), (48, 5339922), (49, 5230944), (56, 4577076), (63, 4068512), (72, 3559948), (82, 3125808), (84, 3051384), (96, 2669961), (98, 2615472), (112, 2288538), (123, 2083872), (126, 2034256), (144, 1779974), (147, 1743648), (164, 1562904), (168, 1525692), (196, 1307736), (224, 1144269), (246, 1041936), (252, 1017128), (287, 893088), (288, 889987), (294, 871824), (328, 781452), (336, 762846), (369, 694624), (392, 653868), (441, 581216), (443, 578592), (492, 520968), (504, 508564), (574, 446544), (588, 435912), (656, 390726), (672, 381423), (738, 347312), (784, 326934), (861, 297696), (882, 290608), (886, 289296), (984, 260484), (1008, 254282), (1148, 223272), (1176, 217956), (1312, 195363), (1329, 192864), (1476, 173656), (1568, 163467), (1722, 148848), (1764, 145304), (1772, 144648), (1968, 130242), (2009, 127584), (2016, 127141), (2296, 111636), (2352, 108978), (2583, 99232), (2658, 96432), (2952, 86828), (3101, 82656), (3444, 74424), (3528, 72652), (3544, 72324), (3936, 65121), (3987, 64288), (4018, 63792), (4592, 55818), (4704, 54489), (5166, 49616), (5316, 48216), (5904, 43414), (6027, 42528), (6202, 41328), (6888, 37212), (7056, 36326), (7088, 36162), (7974, 32144), (8036, 31896), (9184, 27909), (9303, 27552), (10332, 24808), (10632, 24108), (11808, 21707), (12054, 21264), (12404, 20664), (13776, 18606), (14112, 18163), (14176, 18081), (15948, 16072)]