1228921344

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 240

約数和(自身を含む): 4187589120

約数和(自身を除く): 2958667776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 512, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1229, 1302, 1344, 1488, 1536, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2458, 2604, 2688, 2976, 3472, 3584, 3687, 3906, 3968, 4032, 4464, 4608, 4916, 5208, 5376, 5952, 6944, 7374, 7812, 7936, 8064, 8603, 8928, 9832, 10416, 10752, 11061, 11904, 13888, 14748, 15624, 15872, 16128, 17206, 17856, 19664, 20832, 22122, 23808, 25809, 27776, 29496, 31248, 32256, 34412, 35712, 38099, 39328, 41664, 44244, 47616, 51618, 55552, 58992, 62496, 68824, 71424, 76198, 77427, 78656, 83328, 88488, 103236, 111104, 114297, 117984, 124992, 137648, 142848, 152396, 154854, 157312, 166656, 176976, 206472, 228594, 235968, 249984, 266693, 275296, 304792, 309708, 314624, 333312, 342891, 353952, 412944, 457188, 471936, 499968, 533386, 550592, 609584, 619416, 629248, 685782, 707904, 800079, 825888, 914376, 943872, 999936, 1066772, 1101184, 1219168, 1238832, 1371564, 1415808, 1600158, 1651776, 1828752, 1887744, 2133544, 2202368, 2400237, 2438336, 2477664, 2743128, 2831616, 3200316, 3303552, 3657504, 4267088, 4404736, 4800474, 4876672, 4955328, 5486256, 5663232, 6400632, 6607104, 7315008, 8534176, 9600948, 9753344, 9910656, 10972512, 12801264, 13214208, 14630016, 17068352, 19201896, 19506688, 19821312, 21945024, 25602528, 29260032, 34136704, 38403792, 39642624, 43890048, 51205056, 58520064, 68273408, 76807584, 87780096, 102410112, 136546816, 153615168, 175560192, 204820224, 307230336, 409640448, 614460672, 1228921344]

約数ペア:

[(1, 1228921344), (2, 614460672), (3, 409640448), (4, 307230336), (6, 204820224), (7, 175560192), (8, 153615168), (9, 136546816), (12, 102410112), (14, 87780096), (16, 76807584), (18, 68273408), (21, 58520064), (24, 51205056), (28, 43890048), (31, 39642624), (32, 38403792), (36, 34136704), (42, 29260032), (48, 25602528), (56, 21945024), (62, 19821312), (63, 19506688), (64, 19201896), (72, 17068352), (84, 14630016), (93, 13214208), (96, 12801264), (112, 10972512), (124, 9910656), (126, 9753344), (128, 9600948), (144, 8534176), (168, 7315008), (186, 6607104), (192, 6400632), (217, 5663232), (224, 5486256), (248, 4955328), (252, 4876672), (256, 4800474), (279, 4404736), (288, 4267088), (336, 3657504), (372, 3303552), (384, 3200316), (434, 2831616), (448, 2743128), (496, 2477664), (504, 2438336), (512, 2400237), (558, 2202368), (576, 2133544), (651, 1887744), (672, 1828752), (744, 1651776), (768, 1600158), (868, 1415808), (896, 1371564), (992, 1238832), (1008, 1219168), (1116, 1101184), (1152, 1066772), (1229, 999936), (1302, 943872), (1344, 914376), (1488, 825888), (1536, 800079), (1736, 707904), (1792, 685782), (1953, 629248), (1984, 619416), (2016, 609584), (2232, 550592), (2304, 533386), (2458, 499968), (2604, 471936), (2688, 457188), (2976, 412944), (3472, 353952), (3584, 342891), (3687, 333312), (3906, 314624), (3968, 309708), (4032, 304792), (4464, 275296), (4608, 266693), (4916, 249984), (5208, 235968), (5376, 228594), (5952, 206472), (6944, 176976), (7374, 166656), (7812, 157312), (7936, 154854), (8064, 152396), (8603, 142848), (8928, 137648), (9832, 124992), (10416, 117984), (10752, 114297), (11061, 111104), (11904, 103236), (13888, 88488), (14748, 83328), (15624, 78656), (15872, 77427), (16128, 76198), (17206, 71424), (17856, 68824), (19664, 62496), (20832, 58992), (22122, 55552), (23808, 51618), (25809, 47616), (27776, 44244), (29496, 41664), (31248, 39328), (32256, 38099), (34412, 35712)]