261815904

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2213

約数の個数: 144

約数和(自身を含む): 865257120

約数和(自身を除く): 603441216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 168, 183, 224, 244, 252, 288, 336, 366, 427, 488, 504, 549, 672, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 1952, 2016, 2129, 2196, 2562, 2928, 3416, 3843, 4258, 4392, 5124, 5856, 6387, 6832, 7686, 8516, 8784, 10248, 12774, 13664, 14903, 15372, 17032, 17568, 19161, 20496, 25548, 29806, 30744, 34064, 38322, 40992, 44709, 51096, 59612, 61488, 68128, 76644, 89418, 102192, 119224, 122976, 129869, 134127, 153288, 178836, 204384, 238448, 259738, 268254, 306576, 357672, 389607, 476896, 519476, 536508, 613152, 715344, 779214, 909083, 1038952, 1073016, 1168821, 1430688, 1558428, 1818166, 2077904, 2146032, 2337642, 2727249, 3116856, 3636332, 4155808, 4292064, 4675284, 5454498, 6233712, 7272664, 8181747, 9350568, 10908996, 12467424, 14545328, 16363494, 18701136, 21817992, 29090656, 32726988, 37402272, 43635984, 65453976, 87271968, 130907952, 261815904]

約数ペア:

[(1, 261815904), (2, 130907952), (3, 87271968), (4, 65453976), (6, 43635984), (7, 37402272), (8, 32726988), (9, 29090656), (12, 21817992), (14, 18701136), (16, 16363494), (18, 14545328), (21, 12467424), (24, 10908996), (28, 9350568), (32, 8181747), (36, 7272664), (42, 6233712), (48, 5454498), (56, 4675284), (61, 4292064), (63, 4155808), (72, 3636332), (84, 3116856), (96, 2727249), (112, 2337642), (122, 2146032), (126, 2077904), (144, 1818166), (168, 1558428), (183, 1430688), (224, 1168821), (244, 1073016), (252, 1038952), (288, 909083), (336, 779214), (366, 715344), (427, 613152), (488, 536508), (504, 519476), (549, 476896), (672, 389607), (732, 357672), (854, 306576), (976, 268254), (1008, 259738), (1098, 238448), (1281, 204384), (1464, 178836), (1708, 153288), (1952, 134127), (2016, 129869), (2129, 122976), (2196, 119224), (2562, 102192), (2928, 89418), (3416, 76644), (3843, 68128), (4258, 61488), (4392, 59612), (5124, 51096), (5856, 44709), (6387, 40992), (6832, 38322), (7686, 34064), (8516, 30744), (8784, 29806), (10248, 25548), (12774, 20496), (13664, 19161), (14903, 17568), (15372, 17032)]