641258208

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 240

約数和(自身を含む): 2058210000

約数和(自身を除く): 1416951792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 32, 36, 38, 48, 54, 57, 58, 72, 76, 81, 87, 96, 108, 114, 116, 144, 152, 162, 171, 174, 216, 228, 232, 261, 288, 304, 324, 342, 348, 432, 449, 456, 464, 513, 522, 551, 608, 648, 684, 696, 783, 864, 898, 912, 928, 1026, 1044, 1102, 1296, 1347, 1368, 1392, 1539, 1566, 1653, 1796, 1824, 2052, 2088, 2204, 2349, 2592, 2694, 2736, 2784, 3078, 3132, 3306, 3592, 4041, 4104, 4176, 4408, 4698, 4959, 5388, 5472, 6156, 6264, 6612, 7184, 8082, 8208, 8352, 8531, 8816, 9396, 9918, 10776, 12123, 12312, 12528, 13021, 13224, 14368, 14877, 16164, 16416, 17062, 17632, 18792, 19836, 21552, 24246, 24624, 25056, 25593, 26042, 26448, 29754, 32328, 34124, 36369, 37584, 39063, 39672, 43104, 44631, 48492, 49248, 51186, 52084, 52896, 59508, 64656, 68248, 72738, 75168, 76779, 78126, 79344, 89262, 96984, 102372, 104168, 117189, 119016, 129312, 136496, 145476, 153558, 156252, 158688, 178524, 193968, 204744, 208336, 230337, 234378, 238032, 247399, 272992, 290952, 307116, 312504, 351567, 357048, 387936, 409488, 416672, 460674, 468756, 476064, 494798, 581904, 614232, 625008, 691011, 703134, 714096, 742197, 818976, 921348, 937512, 989596, 1054701, 1163808, 1228464, 1250016, 1382022, 1406268, 1428192, 1484394, 1842696, 1875024, 1979192, 2109402, 2226591, 2456928, 2764044, 2812536, 2968788, 3685392, 3750048, 3958384, 4218804, 4453182, 5528088, 5625072, 5937576, 6679773, 7370784, 7916768, 8437608, 8906364, 11056176, 11250144, 11875152, 13359546, 16875216, 17812728, 20039319, 22112352, 23750304, 26719092, 33750432, 35625456, 40078638, 53438184, 71250912, 80157276, 106876368, 160314552, 213752736, 320629104, 641258208]

約数ペア:

[(1, 641258208), (2, 320629104), (3, 213752736), (4, 160314552), (6, 106876368), (8, 80157276), (9, 71250912), (12, 53438184), (16, 40078638), (18, 35625456), (19, 33750432), (24, 26719092), (27, 23750304), (29, 22112352), (32, 20039319), (36, 17812728), (38, 16875216), (48, 13359546), (54, 11875152), (57, 11250144), (58, 11056176), (72, 8906364), (76, 8437608), (81, 7916768), (87, 7370784), (96, 6679773), (108, 5937576), (114, 5625072), (116, 5528088), (144, 4453182), (152, 4218804), (162, 3958384), (171, 3750048), (174, 3685392), (216, 2968788), (228, 2812536), (232, 2764044), (261, 2456928), (288, 2226591), (304, 2109402), (324, 1979192), (342, 1875024), (348, 1842696), (432, 1484394), (449, 1428192), (456, 1406268), (464, 1382022), (513, 1250016), (522, 1228464), (551, 1163808), (608, 1054701), (648, 989596), (684, 937512), (696, 921348), (783, 818976), (864, 742197), (898, 714096), (912, 703134), (928, 691011), (1026, 625008), (1044, 614232), (1102, 581904), (1296, 494798), (1347, 476064), (1368, 468756), (1392, 460674), (1539, 416672), (1566, 409488), (1653, 387936), (1796, 357048), (1824, 351567), (2052, 312504), (2088, 307116), (2204, 290952), (2349, 272992), (2592, 247399), (2694, 238032), (2736, 234378), (2784, 230337), (3078, 208336), (3132, 204744), (3306, 193968), (3592, 178524), (4041, 158688), (4104, 156252), (4176, 153558), (4408, 145476), (4698, 136496), (4959, 129312), (5388, 119016), (5472, 117189), (6156, 104168), (6264, 102372), (6612, 96984), (7184, 89262), (8082, 79344), (8208, 78126), (8352, 76779), (8531, 75168), (8816, 72738), (9396, 68248), (9918, 64656), (10776, 59508), (12123, 52896), (12312, 52084), (12528, 51186), (13021, 49248), (13224, 48492), (14368, 44631), (14877, 43104), (16164, 39672), (16416, 39063), (17062, 37584), (17632, 36369), (18792, 34124), (19836, 32328), (21552, 29754), (24246, 26448), (24624, 26042), (25056, 25593)]