256358592

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 252

約数和(自身を含む): 885358656

約数和(自身を除く): 629000064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 64, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 192, 196, 217, 224, 248, 252, 279, 288, 293, 294, 336, 372, 392, 434, 441, 448, 496, 504, 558, 576, 586, 588, 651, 672, 744, 784, 868, 879, 882, 992, 1008, 1116, 1172, 1176, 1302, 1344, 1488, 1519, 1568, 1736, 1758, 1764, 1953, 1984, 2016, 2051, 2232, 2344, 2352, 2604, 2637, 2976, 3038, 3136, 3472, 3516, 3528, 3906, 4032, 4102, 4464, 4557, 4688, 4704, 5208, 5274, 5952, 6076, 6153, 6944, 7032, 7056, 7812, 8204, 8928, 9083, 9114, 9376, 9408, 10416, 10548, 12152, 12306, 13671, 13888, 14064, 14112, 14357, 15624, 16408, 17856, 18166, 18228, 18459, 18752, 20832, 21096, 24304, 24612, 27249, 27342, 28128, 28224, 28714, 31248, 32816, 36332, 36456, 36918, 41664, 42192, 43071, 48608, 49224, 54498, 54684, 56256, 57428, 62496, 63581, 65632, 72664, 72912, 73836, 81747, 84384, 86142, 97216, 98448, 108996, 109368, 114856, 124992, 127162, 129213, 131264, 145328, 145824, 147672, 163494, 168768, 172284, 190743, 196896, 217992, 218736, 229712, 254324, 258426, 290656, 291648, 295344, 326988, 344568, 381486, 393792, 435984, 437472, 445067, 459424, 508648, 516852, 572229, 581312, 590688, 653976, 689136, 762972, 871968, 874944, 890134, 918848, 1017296, 1033704, 1144458, 1181376, 1307952, 1335201, 1378272, 1525944, 1743936, 1780268, 2034592, 2067408, 2288916, 2615904, 2670402, 2756544, 3051888, 3560536, 4005603, 4069184, 4134816, 4577832, 5231808, 5340804, 6103776, 7121072, 8011206, 8269632, 9155664, 10681608, 12207552, 14242144, 16022412, 18311328, 21363216, 28484288, 32044824, 36622656, 42726432, 64089648, 85452864, 128179296, 256358592]

約数ペア:

[(1, 256358592), (2, 128179296), (3, 85452864), (4, 64089648), (6, 42726432), (7, 36622656), (8, 32044824), (9, 28484288), (12, 21363216), (14, 18311328), (16, 16022412), (18, 14242144), (21, 12207552), (24, 10681608), (28, 9155664), (31, 8269632), (32, 8011206), (36, 7121072), (42, 6103776), (48, 5340804), (49, 5231808), (56, 4577832), (62, 4134816), (63, 4069184), (64, 4005603), (72, 3560536), (84, 3051888), (93, 2756544), (96, 2670402), (98, 2615904), (112, 2288916), (124, 2067408), (126, 2034592), (144, 1780268), (147, 1743936), (168, 1525944), (186, 1378272), (192, 1335201), (196, 1307952), (217, 1181376), (224, 1144458), (248, 1033704), (252, 1017296), (279, 918848), (288, 890134), (293, 874944), (294, 871968), (336, 762972), (372, 689136), (392, 653976), (434, 590688), (441, 581312), (448, 572229), (496, 516852), (504, 508648), (558, 459424), (576, 445067), (586, 437472), (588, 435984), (651, 393792), (672, 381486), (744, 344568), (784, 326988), (868, 295344), (879, 291648), (882, 290656), (992, 258426), (1008, 254324), (1116, 229712), (1172, 218736), (1176, 217992), (1302, 196896), (1344, 190743), (1488, 172284), (1519, 168768), (1568, 163494), (1736, 147672), (1758, 145824), (1764, 145328), (1953, 131264), (1984, 129213), (2016, 127162), (2051, 124992), (2232, 114856), (2344, 109368), (2352, 108996), (2604, 98448), (2637, 97216), (2976, 86142), (3038, 84384), (3136, 81747), (3472, 73836), (3516, 72912), (3528, 72664), (3906, 65632), (4032, 63581), (4102, 62496), (4464, 57428), (4557, 56256), (4688, 54684), (4704, 54498), (5208, 49224), (5274, 48608), (5952, 43071), (6076, 42192), (6153, 41664), (6944, 36918), (7032, 36456), (7056, 36332), (7812, 32816), (8204, 31248), (8928, 28714), (9083, 28224), (9114, 28128), (9376, 27342), (9408, 27249), (10416, 24612), (10548, 24304), (12152, 21096), (12306, 20832), (13671, 18752), (13888, 18459), (14064, 18228), (14112, 18166), (14357, 17856), (15624, 16408)]