638102016

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 160

約数和(自身を含む): 1951065600

約数和(自身を除く): 1312963584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 744, 768, 837, 864, 992, 1116, 1152, 1488, 1489, 1536, 1674, 1728, 1984, 2232, 2304, 2976, 2978, 3348, 3456, 3968, 4464, 4467, 4608, 5952, 5956, 6696, 6912, 7936, 8928, 8934, 11904, 11912, 13392, 13401, 13824, 15872, 17856, 17868, 23808, 23824, 26784, 26802, 35712, 35736, 40203, 46159, 47616, 47648, 53568, 53604, 71424, 71472, 80406, 92318, 95296, 107136, 107208, 138477, 142848, 142944, 160812, 184636, 190592, 214272, 214416, 276954, 285888, 321624, 369272, 381184, 415431, 428544, 428832, 553908, 571776, 643248, 738544, 762368, 830862, 857664, 1107816, 1143552, 1246293, 1286496, 1477088, 1661724, 1715328, 2215632, 2287104, 2492586, 2572992, 2954176, 3323448, 3430656, 4431264, 4985172, 5145984, 5908352, 6646896, 6861312, 8862528, 9970344, 10291968, 11816704, 13293792, 17725056, 19940688, 20583936, 23633408, 26587584, 35450112, 39881376, 53175168, 70900224, 79762752, 106350336, 159525504, 212700672, 319051008, 638102016]

約数ペア:

[(1, 638102016), (2, 319051008), (3, 212700672), (4, 159525504), (6, 106350336), (8, 79762752), (9, 70900224), (12, 53175168), (16, 39881376), (18, 35450112), (24, 26587584), (27, 23633408), (31, 20583936), (32, 19940688), (36, 17725056), (48, 13293792), (54, 11816704), (62, 10291968), (64, 9970344), (72, 8862528), (93, 6861312), (96, 6646896), (108, 5908352), (124, 5145984), (128, 4985172), (144, 4431264), (186, 3430656), (192, 3323448), (216, 2954176), (248, 2572992), (256, 2492586), (279, 2287104), (288, 2215632), (372, 1715328), (384, 1661724), (432, 1477088), (496, 1286496), (512, 1246293), (558, 1143552), (576, 1107816), (744, 857664), (768, 830862), (837, 762368), (864, 738544), (992, 643248), (1116, 571776), (1152, 553908), (1488, 428832), (1489, 428544), (1536, 415431), (1674, 381184), (1728, 369272), (1984, 321624), (2232, 285888), (2304, 276954), (2976, 214416), (2978, 214272), (3348, 190592), (3456, 184636), (3968, 160812), (4464, 142944), (4467, 142848), (4608, 138477), (5952, 107208), (5956, 107136), (6696, 95296), (6912, 92318), (7936, 80406), (8928, 71472), (8934, 71424), (11904, 53604), (11912, 53568), (13392, 47648), (13401, 47616), (13824, 46159), (15872, 40203), (17856, 35736), (17868, 35712), (23808, 26802), (23824, 26784)]