256701312

素因数分解:

$2^7\times 3^7\times 7^1\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 883238400

約数和(自身を除く): 626537088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 131, 144, 162, 168, 189, 192, 216, 224, 243, 252, 262, 288, 324, 336, 378, 384, 393, 432, 448, 486, 504, 524, 567, 576, 648, 672, 729, 756, 786, 864, 896, 917, 972, 1008, 1048, 1134, 1152, 1179, 1296, 1344, 1458, 1512, 1572, 1701, 1728, 1834, 1944, 2016, 2096, 2187, 2268, 2358, 2592, 2688, 2751, 2916, 3024, 3144, 3402, 3456, 3537, 3668, 3888, 4032, 4192, 4374, 4536, 4716, 5103, 5184, 5502, 5832, 6048, 6288, 6804, 7074, 7336, 7776, 8064, 8253, 8384, 8748, 9072, 9432, 10206, 10368, 10611, 11004, 11664, 12096, 12576, 13608, 14148, 14672, 15309, 15552, 16506, 16768, 17496, 18144, 18864, 20412, 21222, 22008, 23328, 24192, 24759, 25152, 27216, 28296, 29344, 30618, 31104, 31833, 33012, 34992, 36288, 37728, 40824, 42444, 44016, 46656, 49518, 50304, 54432, 56592, 58688, 61236, 63666, 66024, 69984, 72576, 74277, 75456, 81648, 84888, 88032, 93312, 95499, 99036, 108864, 113184, 117376, 122472, 127332, 132048, 139968, 148554, 150912, 163296, 169776, 176064, 190998, 198072, 217728, 222831, 226368, 244944, 254664, 264096, 279936, 286497, 297108, 326592, 339552, 352128, 381996, 396144, 445662, 452736, 489888, 509328, 528192, 572994, 594216, 653184, 668493, 679104, 763992, 792288, 891324, 979776, 1018656, 1056384, 1145988, 1188432, 1336986, 1358208, 1527984, 1584576, 1782648, 1959552, 2005479, 2037312, 2291976, 2376864, 2673972, 3055968, 3169152, 3565296, 4010958, 4074624, 4583952, 4753728, 5347944, 6111936, 7130592, 8021916, 9167904, 9507456, 10695888, 12223872, 14261184, 16043832, 18335808, 21391776, 28522368, 32087664, 36671616, 42783552, 64175328, 85567104, 128350656, 256701312]

約数ペア:

[(1, 256701312), (2, 128350656), (3, 85567104), (4, 64175328), (6, 42783552), (7, 36671616), (8, 32087664), (9, 28522368), (12, 21391776), (14, 18335808), (16, 16043832), (18, 14261184), (21, 12223872), (24, 10695888), (27, 9507456), (28, 9167904), (32, 8021916), (36, 7130592), (42, 6111936), (48, 5347944), (54, 4753728), (56, 4583952), (63, 4074624), (64, 4010958), (72, 3565296), (81, 3169152), (84, 3055968), (96, 2673972), (108, 2376864), (112, 2291976), (126, 2037312), (128, 2005479), (131, 1959552), (144, 1782648), (162, 1584576), (168, 1527984), (189, 1358208), (192, 1336986), (216, 1188432), (224, 1145988), (243, 1056384), (252, 1018656), (262, 979776), (288, 891324), (324, 792288), (336, 763992), (378, 679104), (384, 668493), (393, 653184), (432, 594216), (448, 572994), (486, 528192), (504, 509328), (524, 489888), (567, 452736), (576, 445662), (648, 396144), (672, 381996), (729, 352128), (756, 339552), (786, 326592), (864, 297108), (896, 286497), (917, 279936), (972, 264096), (1008, 254664), (1048, 244944), (1134, 226368), (1152, 222831), (1179, 217728), (1296, 198072), (1344, 190998), (1458, 176064), (1512, 169776), (1572, 163296), (1701, 150912), (1728, 148554), (1834, 139968), (1944, 132048), (2016, 127332), (2096, 122472), (2187, 117376), (2268, 113184), (2358, 108864), (2592, 99036), (2688, 95499), (2751, 93312), (2916, 88032), (3024, 84888), (3144, 81648), (3402, 75456), (3456, 74277), (3537, 72576), (3668, 69984), (3888, 66024), (4032, 63666), (4192, 61236), (4374, 58688), (4536, 56592), (4716, 54432), (5103, 50304), (5184, 49518), (5502, 46656), (5832, 44016), (6048, 42444), (6288, 40824), (6804, 37728), (7074, 36288), (7336, 34992), (7776, 33012), (8064, 31833), (8253, 31104), (8384, 30618), (8748, 29344), (9072, 28296), (9432, 27216), (10206, 25152), (10368, 24759), (10611, 24192), (11004, 23328), (11664, 22008), (12096, 21222), (12576, 20412), (13608, 18864), (14148, 18144), (14672, 17496), (15309, 16768), (15552, 16506)]