256124232

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 895265280

約数和(自身を除く): 639141048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 97, 104, 117, 124, 126, 156, 168, 169, 182, 186, 194, 217, 234, 248, 252, 273, 279, 291, 312, 338, 364, 372, 388, 403, 434, 468, 504, 507, 546, 558, 582, 651, 676, 679, 728, 744, 776, 806, 819, 868, 873, 936, 1014, 1092, 1116, 1164, 1183, 1209, 1261, 1302, 1352, 1358, 1521, 1612, 1638, 1736, 1746, 1953, 2028, 2037, 2184, 2232, 2328, 2366, 2418, 2522, 2604, 2716, 2821, 3007, 3042, 3224, 3276, 3492, 3549, 3627, 3783, 3906, 4056, 4074, 4732, 4836, 5044, 5208, 5239, 5432, 5642, 6014, 6084, 6111, 6552, 6984, 7098, 7254, 7566, 7812, 8148, 8463, 8827, 9021, 9464, 9672, 10088, 10478, 10647, 11284, 11349, 12028, 12168, 12222, 14196, 14508, 15132, 15624, 15717, 16296, 16393, 16926, 17654, 18042, 20956, 21049, 21294, 22568, 22698, 24056, 24444, 25389, 26481, 27063, 28392, 29016, 30264, 31434, 32786, 33852, 35308, 36084, 36673, 39091, 41912, 42098, 42588, 45396, 47151, 48888, 49179, 50778, 52962, 54126, 62868, 63147, 65572, 67704, 70616, 72168, 73346, 78182, 79443, 84196, 85176, 90792, 94302, 98358, 101556, 105924, 108252, 110019, 114751, 117273, 125736, 126294, 131144, 146692, 147537, 156364, 158886, 168392, 188604, 189441, 196716, 203112, 211848, 216504, 220038, 229502, 234546, 252588, 273637, 293384, 295074, 312728, 317772, 330057, 344253, 351819, 377208, 378882, 393432, 440076, 459004, 469092, 505176, 508183, 547274, 590148, 635544, 660114, 688506, 703638, 757764, 820911, 880152, 918008, 938184, 1016366, 1032759, 1094548, 1180296, 1320228, 1377012, 1407276, 1515528, 1524549, 1641822, 2032732, 2065518, 2189096, 2462733, 2640456, 2754024, 2814552, 3049098, 3283644, 3557281, 4065464, 4131036, 4573647, 4925466, 6098196, 6567288, 7114562, 8262072, 9147294, 9850932, 10671843, 12196392, 14229124, 18294588, 19701864, 21343686, 28458248, 32015529, 36589176, 42687372, 64031058, 85374744, 128062116, 256124232]

約数ペア:

[(1, 256124232), (2, 128062116), (3, 85374744), (4, 64031058), (6, 42687372), (7, 36589176), (8, 32015529), (9, 28458248), (12, 21343686), (13, 19701864), (14, 18294588), (18, 14229124), (21, 12196392), (24, 10671843), (26, 9850932), (28, 9147294), (31, 8262072), (36, 7114562), (39, 6567288), (42, 6098196), (52, 4925466), (56, 4573647), (62, 4131036), (63, 4065464), (72, 3557281), (78, 3283644), (84, 3049098), (91, 2814552), (93, 2754024), (97, 2640456), (104, 2462733), (117, 2189096), (124, 2065518), (126, 2032732), (156, 1641822), (168, 1524549), (169, 1515528), (182, 1407276), (186, 1377012), (194, 1320228), (217, 1180296), (234, 1094548), (248, 1032759), (252, 1016366), (273, 938184), (279, 918008), (291, 880152), (312, 820911), (338, 757764), (364, 703638), (372, 688506), (388, 660114), (403, 635544), (434, 590148), (468, 547274), (504, 508183), (507, 505176), (546, 469092), (558, 459004), (582, 440076), (651, 393432), (676, 378882), (679, 377208), (728, 351819), (744, 344253), (776, 330057), (806, 317772), (819, 312728), (868, 295074), (873, 293384), (936, 273637), (1014, 252588), (1092, 234546), (1116, 229502), (1164, 220038), (1183, 216504), (1209, 211848), (1261, 203112), (1302, 196716), (1352, 189441), (1358, 188604), (1521, 168392), (1612, 158886), (1638, 156364), (1736, 147537), (1746, 146692), (1953, 131144), (2028, 126294), (2037, 125736), (2184, 117273), (2232, 114751), (2328, 110019), (2366, 108252), (2418, 105924), (2522, 101556), (2604, 98358), (2716, 94302), (2821, 90792), (3007, 85176), (3042, 84196), (3224, 79443), (3276, 78182), (3492, 73346), (3549, 72168), (3627, 70616), (3783, 67704), (3906, 65572), (4056, 63147), (4074, 62868), (4732, 54126), (4836, 52962), (5044, 50778), (5208, 49179), (5239, 48888), (5432, 47151), (5642, 45396), (6014, 42588), (6084, 42098), (6111, 41912), (6552, 39091), (6984, 36673), (7098, 36084), (7254, 35308), (7566, 33852), (7812, 32786), (8148, 31434), (8463, 30264), (8827, 29016), (9021, 28392), (9464, 27063), (9672, 26481), (10088, 25389), (10478, 24444), (10647, 24056), (11284, 22698), (11349, 22568), (12028, 21294), (12168, 21049), (12222, 20956), (14196, 18042), (14508, 17654), (15132, 16926), (15624, 16393), (15717, 16296)]