256393872

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 240

約数和(自身を含む): 870480000

約数和(自身を除く): 614086128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 98, 112, 116, 126, 144, 147, 168, 174, 179, 196, 203, 232, 252, 261, 294, 336, 343, 348, 358, 392, 406, 441, 464, 504, 522, 537, 588, 609, 686, 696, 716, 784, 812, 882, 1008, 1029, 1044, 1074, 1176, 1218, 1253, 1372, 1392, 1421, 1432, 1611, 1624, 1764, 1827, 2058, 2088, 2148, 2352, 2436, 2506, 2744, 2842, 2864, 3087, 3222, 3248, 3528, 3654, 3759, 4116, 4176, 4263, 4296, 4872, 5012, 5191, 5488, 5684, 6174, 6444, 7056, 7308, 7518, 8232, 8526, 8592, 8771, 9744, 9947, 10024, 10382, 11277, 11368, 12348, 12789, 12888, 14616, 15036, 15573, 16464, 17052, 17542, 19894, 20048, 20764, 22554, 22736, 24696, 25578, 25776, 26313, 29232, 29841, 30072, 31146, 34104, 35084, 36337, 39788, 41528, 45108, 46719, 49392, 51156, 52626, 59682, 60144, 61397, 62292, 68208, 70168, 72674, 78939, 79576, 83056, 89523, 90216, 93438, 102312, 105252, 109011, 119364, 122794, 124584, 140336, 145348, 157878, 159152, 179046, 180432, 184191, 186876, 204624, 210504, 218022, 238728, 245588, 249168, 254359, 290696, 315756, 327033, 358092, 368382, 373752, 421008, 436044, 477456, 491176, 508718, 552573, 581392, 631512, 654066, 716184, 736764, 747504, 763077, 872088, 982352, 1017436, 1105146, 1263024, 1308132, 1432368, 1473528, 1526154, 1744176, 1780513, 2034872, 2210292, 2289231, 2616264, 2947056, 3052308, 3561026, 4069744, 4420584, 4578462, 5232528, 5341539, 6104616, 7122052, 8841168, 9156924, 10683078, 12209232, 14244104, 16024617, 18313848, 21366156, 28488208, 32049234, 36627696, 42732312, 64098468, 85464624, 128196936, 256393872]

約数ペア:

[(1, 256393872), (2, 128196936), (3, 85464624), (4, 64098468), (6, 42732312), (7, 36627696), (8, 32049234), (9, 28488208), (12, 21366156), (14, 18313848), (16, 16024617), (18, 14244104), (21, 12209232), (24, 10683078), (28, 9156924), (29, 8841168), (36, 7122052), (42, 6104616), (48, 5341539), (49, 5232528), (56, 4578462), (58, 4420584), (63, 4069744), (72, 3561026), (84, 3052308), (87, 2947056), (98, 2616264), (112, 2289231), (116, 2210292), (126, 2034872), (144, 1780513), (147, 1744176), (168, 1526154), (174, 1473528), (179, 1432368), (196, 1308132), (203, 1263024), (232, 1105146), (252, 1017436), (261, 982352), (294, 872088), (336, 763077), (343, 747504), (348, 736764), (358, 716184), (392, 654066), (406, 631512), (441, 581392), (464, 552573), (504, 508718), (522, 491176), (537, 477456), (588, 436044), (609, 421008), (686, 373752), (696, 368382), (716, 358092), (784, 327033), (812, 315756), (882, 290696), (1008, 254359), (1029, 249168), (1044, 245588), (1074, 238728), (1176, 218022), (1218, 210504), (1253, 204624), (1372, 186876), (1392, 184191), (1421, 180432), (1432, 179046), (1611, 159152), (1624, 157878), (1764, 145348), (1827, 140336), (2058, 124584), (2088, 122794), (2148, 119364), (2352, 109011), (2436, 105252), (2506, 102312), (2744, 93438), (2842, 90216), (2864, 89523), (3087, 83056), (3222, 79576), (3248, 78939), (3528, 72674), (3654, 70168), (3759, 68208), (4116, 62292), (4176, 61397), (4263, 60144), (4296, 59682), (4872, 52626), (5012, 51156), (5191, 49392), (5488, 46719), (5684, 45108), (6174, 41528), (6444, 39788), (7056, 36337), (7308, 35084), (7518, 34104), (8232, 31146), (8526, 30072), (8592, 29841), (8771, 29232), (9744, 26313), (9947, 25776), (10024, 25578), (10382, 24696), (11277, 22736), (11368, 22554), (12348, 20764), (12789, 20048), (12888, 19894), (14616, 17542), (15036, 17052), (15573, 16464)]