1222921728

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1285

約数の個数: 240

約数和(自身を含む): 4167161856

約数和(自身を除く): 2944240128

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, 1223, 1302, 1344, 1488, 1536, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2446, 2604, 2688, 2976, 3472, 3584, 3669, 3906, 3968, 4032, 4464, 4608, 4892, 5208, 5376, 5952, 6944, 7338, 7812, 7936, 8064, 8561, 8928, 9784, 10416, 10752, 11007, 11904, 13888, 14676, 15624, 15872, 16128, 17122, 17856, 19568, 20832, 22014, 23808, 25683, 27776, 29352, 31248, 32256, 34244, 35712, 37913, 39136, 41664, 44028, 47616, 51366, 55552, 58704, 62496, 68488, 71424, 75826, 77049, 78272, 83328, 88056, 102732, 111104, 113739, 117408, 124992, 136976, 142848, 151652, 154098, 156544, 166656, 176112, 205464, 227478, 234816, 249984, 265391, 273952, 303304, 308196, 313088, 333312, 341217, 352224, 410928, 454956, 469632, 499968, 530782, 547904, 606608, 616392, 626176, 682434, 704448, 796173, 821856, 909912, 939264, 999936, 1061564, 1095808, 1213216, 1232784, 1364868, 1408896, 1592346, 1643712, 1819824, 1878528, 2123128, 2191616, 2388519, 2426432, 2465568, 2729736, 2817792, 3184692, 3287424, 3639648, 4246256, 4383232, 4777038, 4852864, 4931136, 5459472, 5635584, 6369384, 6574848, 7279296, 8492512, 9554076, 9705728, 9862272, 10918944, 12738768, 13149696, 14558592, 16985024, 19108152, 19411456, 19724544, 21837888, 25477536, 29117184, 33970048, 38216304, 39449088, 43675776, 50955072, 58234368, 67940096, 76432608, 87351552, 101910144, 135880192, 152865216, 174703104, 203820288, 305730432, 407640576, 611460864, 1222921728]

約数ペア:

[(1, 1222921728), (2, 611460864), (3, 407640576), (4, 305730432), (6, 203820288), (7, 174703104), (8, 152865216), (9, 135880192), (12, 101910144), (14, 87351552), (16, 76432608), (18, 67940096), (21, 58234368), (24, 50955072), (28, 43675776), (31, 39449088), (32, 38216304), (36, 33970048), (42, 29117184), (48, 25477536), (56, 21837888), (62, 19724544), (63, 19411456), (64, 19108152), (72, 16985024), (84, 14558592), (93, 13149696), (96, 12738768), (112, 10918944), (124, 9862272), (126, 9705728), (128, 9554076), (144, 8492512), (168, 7279296), (186, 6574848), (192, 6369384), (217, 5635584), (224, 5459472), (248, 4931136), (252, 4852864), (256, 4777038), (279, 4383232), (288, 4246256), (336, 3639648), (372, 3287424), (384, 3184692), (434, 2817792), (448, 2729736), (496, 2465568), (504, 2426432), (512, 2388519), (558, 2191616), (576, 2123128), (651, 1878528), (672, 1819824), (744, 1643712), (768, 1592346), (868, 1408896), (896, 1364868), (992, 1232784), (1008, 1213216), (1116, 1095808), (1152, 1061564), (1223, 999936), (1302, 939264), (1344, 909912), (1488, 821856), (1536, 796173), (1736, 704448), (1792, 682434), (1953, 626176), (1984, 616392), (2016, 606608), (2232, 547904), (2304, 530782), (2446, 499968), (2604, 469632), (2688, 454956), (2976, 410928), (3472, 352224), (3584, 341217), (3669, 333312), (3906, 313088), (3968, 308196), (4032, 303304), (4464, 273952), (4608, 265391), (4892, 249984), (5208, 234816), (5376, 227478), (5952, 205464), (6944, 176112), (7338, 166656), (7812, 156544), (7936, 154098), (8064, 151652), (8561, 142848), (8928, 136976), (9784, 124992), (10416, 117408), (10752, 113739), (11007, 111104), (11904, 102732), (13888, 88056), (14676, 83328), (15624, 78272), (15872, 77049), (16128, 75826), (17122, 71424), (17856, 68488), (19568, 62496), (20832, 58704), (22014, 55552), (23808, 51366), (25683, 47616), (27776, 44028), (29352, 41664), (31248, 39136), (32256, 37913), (34244, 35712)]