256574136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4109

約数の個数: 128

約数和(自身を含む): 816883200

約数和(自身を除く): 560309064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 29, 39, 42, 52, 56, 58, 78, 84, 87, 91, 104, 116, 156, 168, 174, 182, 203, 232, 273, 312, 348, 364, 377, 406, 546, 609, 696, 728, 754, 812, 1092, 1131, 1218, 1508, 1624, 2184, 2262, 2436, 2639, 3016, 4051, 4524, 4872, 5278, 7917, 8102, 9048, 10556, 12153, 15834, 16204, 21112, 24306, 28357, 31668, 32408, 48612, 52663, 56714, 63336, 85071, 97224, 105326, 113428, 117479, 157989, 170142, 210652, 226856, 234958, 315978, 340284, 352437, 368641, 421304, 469916, 631956, 680568, 704874, 737282, 822353, 939832, 1105923, 1263912, 1409748, 1474564, 1527227, 1644706, 2211846, 2467059, 2819496, 2949128, 3054454, 3289412, 4423692, 4581681, 4934118, 6108908, 6578824, 8847384, 9163362, 9868236, 10690589, 12217816, 18326724, 19736472, 21381178, 32071767, 36653448, 42762356, 64143534, 85524712, 128287068, 256574136]

約数ペア:

[(1, 256574136), (2, 128287068), (3, 85524712), (4, 64143534), (6, 42762356), (7, 36653448), (8, 32071767), (12, 21381178), (13, 19736472), (14, 18326724), (21, 12217816), (24, 10690589), (26, 9868236), (28, 9163362), (29, 8847384), (39, 6578824), (42, 6108908), (52, 4934118), (56, 4581681), (58, 4423692), (78, 3289412), (84, 3054454), (87, 2949128), (91, 2819496), (104, 2467059), (116, 2211846), (156, 1644706), (168, 1527227), (174, 1474564), (182, 1409748), (203, 1263912), (232, 1105923), (273, 939832), (312, 822353), (348, 737282), (364, 704874), (377, 680568), (406, 631956), (546, 469916), (609, 421304), (696, 368641), (728, 352437), (754, 340284), (812, 315978), (1092, 234958), (1131, 226856), (1218, 210652), (1508, 170142), (1624, 157989), (2184, 117479), (2262, 113428), (2436, 105326), (2639, 97224), (3016, 85071), (4051, 63336), (4524, 56714), (4872, 52663), (5278, 48612), (7917, 32408), (8102, 31668), (9048, 28357), (10556, 24306), (12153, 21112), (15834, 16204)]