256574304

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 240

約数和(自身を含む): 878169600

約数和(自身を除く): 621595296

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, 72, 79, 81, 84, 96, 108, 112, 126, 144, 158, 162, 168, 179, 189, 216, 224, 237, 252, 288, 316, 324, 336, 358, 378, 432, 474, 504, 537, 553, 567, 632, 648, 672, 711, 716, 756, 864, 948, 1008, 1074, 1106, 1134, 1253, 1264, 1296, 1422, 1432, 1512, 1611, 1659, 1896, 2016, 2133, 2148, 2212, 2268, 2506, 2528, 2592, 2844, 2864, 3024, 3222, 3318, 3759, 3792, 4266, 4296, 4424, 4536, 4833, 4977, 5012, 5688, 5728, 6048, 6399, 6444, 6636, 7518, 7584, 8532, 8592, 8848, 9072, 9666, 9954, 10024, 11277, 11376, 12798, 12888, 13272, 14141, 14499, 14931, 15036, 17064, 17184, 17696, 18144, 19332, 19908, 20048, 22554, 22752, 25596, 25776, 26544, 28282, 28998, 29862, 30072, 33831, 34128, 38664, 39816, 40096, 42423, 44793, 45108, 51192, 51552, 53088, 56564, 57996, 59724, 60144, 67662, 68256, 77328, 79632, 84846, 89586, 90216, 98987, 101493, 102384, 113128, 115992, 119448, 120288, 127269, 135324, 154656, 159264, 169692, 179172, 180432, 197974, 202986, 204768, 226256, 231984, 238896, 254538, 270648, 296961, 339384, 358344, 360864, 381807, 395948, 405972, 452512, 463968, 477792, 509076, 541296, 593922, 678768, 716688, 763614, 791896, 811944, 890883, 1018152, 1082592, 1145421, 1187844, 1357536, 1433376, 1527228, 1583792, 1623888, 1781766, 2036304, 2290842, 2375688, 2672649, 3054456, 3167584, 3247776, 3563532, 4072608, 4581684, 4751376, 5345298, 6108912, 7127064, 8017947, 9163368, 9502752, 10690596, 12217824, 14254128, 16035894, 18326736, 21381192, 28508256, 32071788, 36653472, 42762384, 64143576, 85524768, 128287152, 256574304]

約数ペア:

[(1, 256574304), (2, 128287152), (3, 85524768), (4, 64143576), (6, 42762384), (7, 36653472), (8, 32071788), (9, 28508256), (12, 21381192), (14, 18326736), (16, 16035894), (18, 14254128), (21, 12217824), (24, 10690596), (27, 9502752), (28, 9163368), (32, 8017947), (36, 7127064), (42, 6108912), (48, 5345298), (54, 4751376), (56, 4581684), (63, 4072608), (72, 3563532), (79, 3247776), (81, 3167584), (84, 3054456), (96, 2672649), (108, 2375688), (112, 2290842), (126, 2036304), (144, 1781766), (158, 1623888), (162, 1583792), (168, 1527228), (179, 1433376), (189, 1357536), (216, 1187844), (224, 1145421), (237, 1082592), (252, 1018152), (288, 890883), (316, 811944), (324, 791896), (336, 763614), (358, 716688), (378, 678768), (432, 593922), (474, 541296), (504, 509076), (537, 477792), (553, 463968), (567, 452512), (632, 405972), (648, 395948), (672, 381807), (711, 360864), (716, 358344), (756, 339384), (864, 296961), (948, 270648), (1008, 254538), (1074, 238896), (1106, 231984), (1134, 226256), (1253, 204768), (1264, 202986), (1296, 197974), (1422, 180432), (1432, 179172), (1512, 169692), (1611, 159264), (1659, 154656), (1896, 135324), (2016, 127269), (2133, 120288), (2148, 119448), (2212, 115992), (2268, 113128), (2506, 102384), (2528, 101493), (2592, 98987), (2844, 90216), (2864, 89586), (3024, 84846), (3222, 79632), (3318, 77328), (3759, 68256), (3792, 67662), (4266, 60144), (4296, 59724), (4424, 57996), (4536, 56564), (4833, 53088), (4977, 51552), (5012, 51192), (5688, 45108), (5728, 44793), (6048, 42423), (6399, 40096), (6444, 39816), (6636, 38664), (7518, 34128), (7584, 33831), (8532, 30072), (8592, 29862), (8848, 28998), (9072, 28282), (9666, 26544), (9954, 25776), (10024, 25596), (11277, 22752), (11376, 22554), (12798, 20048), (12888, 19908), (13272, 19332), (14141, 18144), (14499, 17696), (14931, 17184), (15036, 17064)]