256912128

素因数分解:

$2^8\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 288

約数和(自身を含む): 863385600

約数和(自身を除く): 606473472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 64, 66, 72, 88, 93, 96, 99, 108, 109, 124, 128, 132, 144, 176, 186, 192, 198, 216, 218, 248, 256, 264, 279, 288, 297, 327, 341, 352, 372, 384, 396, 432, 436, 496, 528, 558, 576, 594, 654, 682, 704, 744, 768, 792, 837, 864, 872, 981, 992, 1023, 1056, 1116, 1152, 1188, 1199, 1308, 1364, 1408, 1488, 1584, 1674, 1728, 1744, 1962, 1984, 2046, 2112, 2232, 2304, 2376, 2398, 2616, 2728, 2816, 2943, 2976, 3069, 3168, 3348, 3379, 3456, 3488, 3597, 3924, 3968, 4092, 4224, 4464, 4752, 4796, 5232, 5456, 5886, 5952, 6138, 6336, 6696, 6758, 6912, 6976, 7194, 7848, 7936, 8184, 8448, 8928, 9207, 9504, 9592, 10137, 10464, 10791, 10912, 11772, 11904, 12276, 12672, 13392, 13516, 13952, 14388, 15696, 16368, 17856, 18414, 19008, 19184, 20274, 20928, 21582, 21824, 23544, 23808, 24552, 25344, 26784, 27032, 27904, 28776, 30411, 31392, 32373, 32736, 35712, 36828, 37169, 38016, 38368, 40548, 41856, 43164, 43648, 47088, 49104, 53568, 54064, 57552, 60822, 62784, 64746, 65472, 71424, 73656, 74338, 76032, 76736, 81096, 83712, 86328, 87296, 91233, 94176, 98208, 107136, 108128, 111507, 115104, 121644, 125568, 129492, 130944, 147312, 148676, 153472, 162192, 172656, 182466, 188352, 196416, 214272, 216256, 223014, 230208, 243288, 251136, 258984, 261888, 294624, 297352, 306944, 324384, 334521, 345312, 364932, 376704, 392832, 432512, 446028, 460416, 486576, 517968, 589248, 594704, 648768, 669042, 690624, 729864, 753408, 785664, 865024, 892056, 920832, 973152, 1003563, 1035936, 1178496, 1189408, 1297536, 1338084, 1381248, 1459728, 1784112, 1946304, 2007126, 2071872, 2356992, 2378816, 2595072, 2676168, 2762496, 2919456, 3568224, 3892608, 4014252, 4143744, 4757632, 5352336, 5838912, 7136448, 7785216, 8028504, 8287488, 9515264, 10704672, 11677824, 14272896, 16057008, 21409344, 23355648, 28545792, 32114016, 42818688, 64228032, 85637376, 128456064, 256912128]

約数ペア:

[(1, 256912128), (2, 128456064), (3, 85637376), (4, 64228032), (6, 42818688), (8, 32114016), (9, 28545792), (11, 23355648), (12, 21409344), (16, 16057008), (18, 14272896), (22, 11677824), (24, 10704672), (27, 9515264), (31, 8287488), (32, 8028504), (33, 7785216), (36, 7136448), (44, 5838912), (48, 5352336), (54, 4757632), (62, 4143744), (64, 4014252), (66, 3892608), (72, 3568224), (88, 2919456), (93, 2762496), (96, 2676168), (99, 2595072), (108, 2378816), (109, 2356992), (124, 2071872), (128, 2007126), (132, 1946304), (144, 1784112), (176, 1459728), (186, 1381248), (192, 1338084), (198, 1297536), (216, 1189408), (218, 1178496), (248, 1035936), (256, 1003563), (264, 973152), (279, 920832), (288, 892056), (297, 865024), (327, 785664), (341, 753408), (352, 729864), (372, 690624), (384, 669042), (396, 648768), (432, 594704), (436, 589248), (496, 517968), (528, 486576), (558, 460416), (576, 446028), (594, 432512), (654, 392832), (682, 376704), (704, 364932), (744, 345312), (768, 334521), (792, 324384), (837, 306944), (864, 297352), (872, 294624), (981, 261888), (992, 258984), (1023, 251136), (1056, 243288), (1116, 230208), (1152, 223014), (1188, 216256), (1199, 214272), (1308, 196416), (1364, 188352), (1408, 182466), (1488, 172656), (1584, 162192), (1674, 153472), (1728, 148676), (1744, 147312), (1962, 130944), (1984, 129492), (2046, 125568), (2112, 121644), (2232, 115104), (2304, 111507), (2376, 108128), (2398, 107136), (2616, 98208), (2728, 94176), (2816, 91233), (2943, 87296), (2976, 86328), (3069, 83712), (3168, 81096), (3348, 76736), (3379, 76032), (3456, 74338), (3488, 73656), (3597, 71424), (3924, 65472), (3968, 64746), (4092, 62784), (4224, 60822), (4464, 57552), (4752, 54064), (4796, 53568), (5232, 49104), (5456, 47088), (5886, 43648), (5952, 43164), (6138, 41856), (6336, 40548), (6696, 38368), (6758, 38016), (6912, 37169), (6976, 36828), (7194, 35712), (7848, 32736), (7936, 32373), (8184, 31392), (8448, 30411), (8928, 28776), (9207, 27904), (9504, 27032), (9592, 26784), (10137, 25344), (10464, 24552), (10791, 23808), (10912, 23544), (11772, 21824), (11904, 21582), (12276, 20928), (12672, 20274), (13392, 19184), (13516, 19008), (13952, 18414), (14388, 17856), (15696, 16368)]