256807824

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 857320128

約数和(自身を除く): 600512304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 37, 39, 42, 48, 49, 52, 56, 74, 78, 84, 91, 98, 104, 111, 112, 147, 148, 156, 168, 182, 196, 208, 222, 227, 259, 273, 294, 296, 312, 336, 364, 392, 444, 454, 481, 518, 546, 588, 592, 624, 637, 681, 728, 777, 784, 888, 908, 962, 1036, 1092, 1176, 1274, 1362, 1443, 1456, 1554, 1589, 1776, 1813, 1816, 1911, 1924, 2072, 2184, 2352, 2548, 2724, 2886, 2951, 3108, 3178, 3367, 3626, 3632, 3822, 3848, 4144, 4368, 4767, 5096, 5439, 5448, 5772, 5902, 6216, 6356, 6734, 7252, 7644, 7696, 8399, 8853, 9534, 10101, 10192, 10878, 10896, 11123, 11544, 11804, 12432, 12712, 13468, 14504, 15288, 16798, 17706, 19068, 20202, 20657, 21756, 22246, 23088, 23569, 23608, 25197, 25424, 26936, 29008, 30576, 33369, 33596, 35412, 38136, 40404, 41314, 43512, 44492, 47138, 47216, 50394, 53872, 58793, 61971, 66738, 67192, 70707, 70824, 76272, 80808, 82628, 87024, 88984, 94276, 100788, 109187, 117586, 123942, 133476, 134384, 141414, 141648, 144599, 161616, 165256, 176379, 177968, 188552, 201576, 218374, 235172, 247884, 266952, 282828, 289198, 327561, 330512, 352758, 377104, 403152, 411551, 433797, 436748, 470344, 495768, 533904, 565656, 578396, 655122, 705516, 764309, 823102, 867594, 873496, 940688, 991536, 1131312, 1156792, 1234653, 1310244, 1411032, 1528618, 1646204, 1735188, 1746992, 2292927, 2313584, 2469306, 2620488, 2822064, 3057236, 3292408, 3470376, 4585854, 4938612, 5240976, 5350163, 6114472, 6584816, 6940752, 9171708, 9877224, 10700326, 12228944, 16050489, 18343416, 19754448, 21400652, 32100978, 36686832, 42801304, 64201956, 85602608, 128403912, 256807824]

約数ペア:

[(1, 256807824), (2, 128403912), (3, 85602608), (4, 64201956), (6, 42801304), (7, 36686832), (8, 32100978), (12, 21400652), (13, 19754448), (14, 18343416), (16, 16050489), (21, 12228944), (24, 10700326), (26, 9877224), (28, 9171708), (37, 6940752), (39, 6584816), (42, 6114472), (48, 5350163), (49, 5240976), (52, 4938612), (56, 4585854), (74, 3470376), (78, 3292408), (84, 3057236), (91, 2822064), (98, 2620488), (104, 2469306), (111, 2313584), (112, 2292927), (147, 1746992), (148, 1735188), (156, 1646204), (168, 1528618), (182, 1411032), (196, 1310244), (208, 1234653), (222, 1156792), (227, 1131312), (259, 991536), (273, 940688), (294, 873496), (296, 867594), (312, 823102), (336, 764309), (364, 705516), (392, 655122), (444, 578396), (454, 565656), (481, 533904), (518, 495768), (546, 470344), (588, 436748), (592, 433797), (624, 411551), (637, 403152), (681, 377104), (728, 352758), (777, 330512), (784, 327561), (888, 289198), (908, 282828), (962, 266952), (1036, 247884), (1092, 235172), (1176, 218374), (1274, 201576), (1362, 188552), (1443, 177968), (1456, 176379), (1554, 165256), (1589, 161616), (1776, 144599), (1813, 141648), (1816, 141414), (1911, 134384), (1924, 133476), (2072, 123942), (2184, 117586), (2352, 109187), (2548, 100788), (2724, 94276), (2886, 88984), (2951, 87024), (3108, 82628), (3178, 80808), (3367, 76272), (3626, 70824), (3632, 70707), (3822, 67192), (3848, 66738), (4144, 61971), (4368, 58793), (4767, 53872), (5096, 50394), (5439, 47216), (5448, 47138), (5772, 44492), (5902, 43512), (6216, 41314), (6356, 40404), (6734, 38136), (7252, 35412), (7644, 33596), (7696, 33369), (8399, 30576), (8853, 29008), (9534, 26936), (10101, 25424), (10192, 25197), (10878, 23608), (10896, 23569), (11123, 23088), (11544, 22246), (11804, 21756), (12432, 20657), (12712, 20202), (13468, 19068), (14504, 17706), (15288, 16798)]