728345856

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2308

約数の個数: 144

約数和(自身を含む): 2252716928

約数和(自身を除く): 1524371072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 128, 168, 183, 192, 224, 244, 256, 336, 366, 384, 427, 448, 488, 672, 732, 768, 854, 896, 976, 1281, 1344, 1464, 1708, 1792, 1952, 2221, 2562, 2688, 2928, 3416, 3904, 4442, 5124, 5376, 5856, 6663, 6832, 7808, 8884, 10248, 11712, 13326, 13664, 15547, 15616, 17768, 20496, 23424, 26652, 27328, 31094, 35536, 40992, 46641, 46848, 53304, 54656, 62188, 71072, 81984, 93282, 106608, 109312, 124376, 135481, 142144, 163968, 186564, 213216, 248752, 270962, 284288, 327936, 373128, 406443, 426432, 497504, 541924, 568576, 746256, 812886, 852864, 948367, 995008, 1083848, 1492512, 1625772, 1705728, 1896734, 1990016, 2167696, 2845101, 2985024, 3251544, 3793468, 3980032, 4335392, 5690202, 5970048, 6503088, 7586936, 8670784, 11380404, 11940096, 13006176, 15173872, 17341568, 22760808, 26012352, 30347744, 34683136, 45521616, 52024704, 60695488, 91043232, 104049408, 121390976, 182086464, 242781952, 364172928, 728345856]

約数ペア:

[(1, 728345856), (2, 364172928), (3, 242781952), (4, 182086464), (6, 121390976), (7, 104049408), (8, 91043232), (12, 60695488), (14, 52024704), (16, 45521616), (21, 34683136), (24, 30347744), (28, 26012352), (32, 22760808), (42, 17341568), (48, 15173872), (56, 13006176), (61, 11940096), (64, 11380404), (84, 8670784), (96, 7586936), (112, 6503088), (122, 5970048), (128, 5690202), (168, 4335392), (183, 3980032), (192, 3793468), (224, 3251544), (244, 2985024), (256, 2845101), (336, 2167696), (366, 1990016), (384, 1896734), (427, 1705728), (448, 1625772), (488, 1492512), (672, 1083848), (732, 995008), (768, 948367), (854, 852864), (896, 812886), (976, 746256), (1281, 568576), (1344, 541924), (1464, 497504), (1708, 426432), (1792, 406443), (1952, 373128), (2221, 327936), (2562, 284288), (2688, 270962), (2928, 248752), (3416, 213216), (3904, 186564), (4442, 163968), (5124, 142144), (5376, 135481), (5856, 124376), (6663, 109312), (6832, 106608), (7808, 93282), (8884, 81984), (10248, 71072), (11712, 62188), (13326, 54656), (13664, 53304), (15547, 46848), (15616, 46641), (17768, 40992), (20496, 35536), (23424, 31094), (26652, 27328)]