255315768

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 712800000

約数和(自身を除く): 457484232

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 43, 57, 58, 76, 86, 87, 114, 116, 129, 152, 172, 174, 228, 232, 258, 344, 348, 449, 456, 516, 551, 696, 817, 898, 1032, 1102, 1247, 1347, 1634, 1653, 1796, 2204, 2451, 2494, 2694, 3268, 3306, 3592, 3741, 4408, 4902, 4988, 5388, 6536, 6612, 7482, 8531, 9804, 9976, 10776, 13021, 13224, 14964, 17062, 19307, 19608, 23693, 25593, 26042, 29928, 34124, 38614, 39063, 47386, 51186, 52084, 57921, 68248, 71079, 77228, 78126, 94772, 102372, 104168, 115842, 142158, 154456, 156252, 189544, 204744, 231684, 247399, 284316, 312504, 366833, 463368, 494798, 559903, 568632, 733666, 742197, 989596, 1100499, 1119806, 1467332, 1484394, 1679709, 1979192, 2200998, 2239612, 2934664, 2968788, 3359418, 4401996, 4479224, 5937576, 6718836, 8803992, 10638157, 13437672, 21276314, 31914471, 42552628, 63828942, 85105256, 127657884, 255315768]

約数ペア:

[(1, 255315768), (2, 127657884), (3, 85105256), (4, 63828942), (6, 42552628), (8, 31914471), (12, 21276314), (19, 13437672), (24, 10638157), (29, 8803992), (38, 6718836), (43, 5937576), (57, 4479224), (58, 4401996), (76, 3359418), (86, 2968788), (87, 2934664), (114, 2239612), (116, 2200998), (129, 1979192), (152, 1679709), (172, 1484394), (174, 1467332), (228, 1119806), (232, 1100499), (258, 989596), (344, 742197), (348, 733666), (449, 568632), (456, 559903), (516, 494798), (551, 463368), (696, 366833), (817, 312504), (898, 284316), (1032, 247399), (1102, 231684), (1247, 204744), (1347, 189544), (1634, 156252), (1653, 154456), (1796, 142158), (2204, 115842), (2451, 104168), (2494, 102372), (2694, 94772), (3268, 78126), (3306, 77228), (3592, 71079), (3741, 68248), (4408, 57921), (4902, 52084), (4988, 51186), (5388, 47386), (6536, 39063), (6612, 38614), (7482, 34124), (8531, 29928), (9804, 26042), (9976, 25593), (10776, 23693), (13021, 19608), (13224, 19307), (14964, 17062)]