639691776

素因数分解:

$2^{10}\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 176

約数和(自身を含む): 2007370080

約数和(自身を除く): 1367678304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 256, 272, 288, 306, 384, 408, 432, 459, 512, 544, 576, 612, 768, 816, 864, 918, 1024, 1088, 1152, 1224, 1361, 1536, 1632, 1728, 1836, 2176, 2304, 2448, 2722, 3072, 3264, 3456, 3672, 4083, 4352, 4608, 4896, 5444, 6528, 6912, 7344, 8166, 8704, 9216, 9792, 10888, 12249, 13056, 13824, 14688, 16332, 17408, 19584, 21776, 23137, 24498, 26112, 27648, 29376, 32664, 36747, 39168, 43552, 46274, 48996, 52224, 58752, 65328, 69411, 73494, 78336, 87104, 92548, 97992, 117504, 130656, 138822, 146988, 156672, 174208, 185096, 195984, 208233, 235008, 261312, 277644, 293976, 348416, 370192, 391968, 416466, 470016, 522624, 555288, 587952, 624699, 696832, 740384, 783936, 832932, 1045248, 1110576, 1175904, 1249398, 1393664, 1480768, 1567872, 1665864, 2090496, 2221152, 2351808, 2498796, 2961536, 3135744, 3331728, 4180992, 4442304, 4703616, 4997592, 5923072, 6271488, 6663456, 8884608, 9407232, 9995184, 11846144, 12542976, 13326912, 17769216, 18814464, 19990368, 23692288, 26653824, 35538432, 37628928, 39980736, 53307648, 71076864, 79961472, 106615296, 159922944, 213230592, 319845888, 639691776]

約数ペア:

[(1, 639691776), (2, 319845888), (3, 213230592), (4, 159922944), (6, 106615296), (8, 79961472), (9, 71076864), (12, 53307648), (16, 39980736), (17, 37628928), (18, 35538432), (24, 26653824), (27, 23692288), (32, 19990368), (34, 18814464), (36, 17769216), (48, 13326912), (51, 12542976), (54, 11846144), (64, 9995184), (68, 9407232), (72, 8884608), (96, 6663456), (102, 6271488), (108, 5923072), (128, 4997592), (136, 4703616), (144, 4442304), (153, 4180992), (192, 3331728), (204, 3135744), (216, 2961536), (256, 2498796), (272, 2351808), (288, 2221152), (306, 2090496), (384, 1665864), (408, 1567872), (432, 1480768), (459, 1393664), (512, 1249398), (544, 1175904), (576, 1110576), (612, 1045248), (768, 832932), (816, 783936), (864, 740384), (918, 696832), (1024, 624699), (1088, 587952), (1152, 555288), (1224, 522624), (1361, 470016), (1536, 416466), (1632, 391968), (1728, 370192), (1836, 348416), (2176, 293976), (2304, 277644), (2448, 261312), (2722, 235008), (3072, 208233), (3264, 195984), (3456, 185096), (3672, 174208), (4083, 156672), (4352, 146988), (4608, 138822), (4896, 130656), (5444, 117504), (6528, 97992), (6912, 92548), (7344, 87104), (8166, 78336), (8704, 73494), (9216, 69411), (9792, 65328), (10888, 58752), (12249, 52224), (13056, 48996), (13824, 46274), (14688, 43552), (16332, 39168), (17408, 36747), (19584, 32664), (21776, 29376), (23137, 27648), (24498, 26112)]