281017728

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 890419200

約数和(自身を除く): 609401472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 43, 48, 54, 61, 62, 64, 72, 86, 93, 96, 108, 122, 124, 128, 129, 144, 172, 183, 186, 192, 216, 244, 248, 258, 279, 288, 344, 366, 372, 384, 387, 432, 488, 496, 516, 549, 558, 576, 688, 732, 744, 774, 837, 864, 976, 992, 1032, 1098, 1116, 1152, 1161, 1333, 1376, 1464, 1488, 1548, 1647, 1674, 1728, 1891, 1952, 1984, 2064, 2196, 2232, 2322, 2623, 2666, 2752, 2928, 2976, 3096, 3294, 3348, 3456, 3782, 3904, 3968, 3999, 4128, 4392, 4464, 4644, 5246, 5332, 5504, 5673, 5856, 5952, 6192, 6588, 6696, 7564, 7808, 7869, 7998, 8256, 8784, 8928, 9288, 10492, 10664, 11346, 11712, 11904, 11997, 12384, 13176, 13392, 15128, 15738, 15996, 16512, 17019, 17568, 17856, 18576, 20984, 21328, 22692, 23424, 23607, 23994, 24768, 26352, 26784, 30256, 31476, 31992, 34038, 35136, 35712, 35991, 37152, 41968, 42656, 45384, 47214, 47988, 49536, 51057, 52704, 53568, 60512, 62952, 63984, 68076, 70272, 70821, 71982, 74304, 81313, 83936, 85312, 90768, 94428, 95976, 102114, 105408, 107136, 121024, 125904, 127968, 136152, 141642, 143964, 148608, 162626, 167872, 170624, 181536, 188856, 191952, 204228, 210816, 242048, 243939, 251808, 255936, 272304, 283284, 287928, 325252, 335744, 363072, 377712, 383904, 408456, 487878, 503616, 511872, 544608, 566568, 575856, 650504, 726144, 731817, 755424, 767808, 816912, 975756, 1007232, 1089216, 1133136, 1151712, 1301008, 1463634, 1510848, 1535616, 1633824, 1951512, 2178432, 2195451, 2266272, 2303424, 2602016, 2927268, 3021696, 3267648, 3903024, 4390902, 4532544, 4606848, 5204032, 5854536, 6535296, 7806048, 8781804, 9065088, 10408064, 11709072, 15612096, 17563608, 23418144, 31224192, 35127216, 46836288, 70254432, 93672576, 140508864, 281017728]

約数ペア:

[(1, 281017728), (2, 140508864), (3, 93672576), (4, 70254432), (6, 46836288), (8, 35127216), (9, 31224192), (12, 23418144), (16, 17563608), (18, 15612096), (24, 11709072), (27, 10408064), (31, 9065088), (32, 8781804), (36, 7806048), (43, 6535296), (48, 5854536), (54, 5204032), (61, 4606848), (62, 4532544), (64, 4390902), (72, 3903024), (86, 3267648), (93, 3021696), (96, 2927268), (108, 2602016), (122, 2303424), (124, 2266272), (128, 2195451), (129, 2178432), (144, 1951512), (172, 1633824), (183, 1535616), (186, 1510848), (192, 1463634), (216, 1301008), (244, 1151712), (248, 1133136), (258, 1089216), (279, 1007232), (288, 975756), (344, 816912), (366, 767808), (372, 755424), (384, 731817), (387, 726144), (432, 650504), (488, 575856), (496, 566568), (516, 544608), (549, 511872), (558, 503616), (576, 487878), (688, 408456), (732, 383904), (744, 377712), (774, 363072), (837, 335744), (864, 325252), (976, 287928), (992, 283284), (1032, 272304), (1098, 255936), (1116, 251808), (1152, 243939), (1161, 242048), (1333, 210816), (1376, 204228), (1464, 191952), (1488, 188856), (1548, 181536), (1647, 170624), (1674, 167872), (1728, 162626), (1891, 148608), (1952, 143964), (1984, 141642), (2064, 136152), (2196, 127968), (2232, 125904), (2322, 121024), (2623, 107136), (2666, 105408), (2752, 102114), (2928, 95976), (2976, 94428), (3096, 90768), (3294, 85312), (3348, 83936), (3456, 81313), (3782, 74304), (3904, 71982), (3968, 70821), (3999, 70272), (4128, 68076), (4392, 63984), (4464, 62952), (4644, 60512), (5246, 53568), (5332, 52704), (5504, 51057), (5673, 49536), (5856, 47988), (5952, 47214), (6192, 45384), (6588, 42656), (6696, 41968), (7564, 37152), (7808, 35991), (7869, 35712), (7998, 35136), (8256, 34038), (8784, 31992), (8928, 31476), (9288, 30256), (10492, 26784), (10664, 26352), (11346, 24768), (11712, 23994), (11904, 23607), (11997, 23424), (12384, 22692), (13176, 21328), (13392, 20984), (15128, 18576), (15738, 17856), (15996, 17568), (16512, 17019)]