261319968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 935625600

約数和(自身を除く): 674305632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 59, 63, 72, 78, 84, 91, 96, 104, 112, 117, 118, 126, 144, 156, 168, 169, 177, 182, 208, 224, 234, 236, 252, 273, 288, 312, 336, 338, 354, 364, 413, 416, 468, 472, 504, 507, 531, 546, 624, 672, 676, 708, 728, 767, 819, 826, 936, 944, 1008, 1014, 1062, 1092, 1183, 1239, 1248, 1352, 1416, 1456, 1521, 1534, 1638, 1652, 1872, 1888, 2016, 2028, 2124, 2184, 2197, 2301, 2366, 2478, 2704, 2832, 2912, 3042, 3068, 3276, 3304, 3549, 3717, 3744, 4056, 4248, 4368, 4394, 4602, 4732, 4956, 5369, 5408, 5664, 6084, 6136, 6552, 6591, 6608, 6903, 7098, 7434, 8112, 8496, 8736, 8788, 9204, 9464, 9912, 9971, 10647, 10738, 12168, 12272, 13104, 13182, 13216, 13806, 14196, 14868, 15379, 16107, 16224, 16992, 17576, 18408, 18928, 19773, 19824, 19942, 21294, 21476, 24336, 24544, 26208, 26364, 27612, 28392, 29736, 29913, 30758, 32214, 35152, 36816, 37856, 39546, 39648, 39884, 42588, 42952, 46137, 48321, 48672, 52728, 55224, 56784, 59472, 59826, 61516, 64428, 69797, 70304, 73632, 79092, 79768, 85176, 85904, 89739, 92274, 96642, 105456, 110448, 113568, 118944, 119652, 123032, 128856, 129623, 138411, 139594, 158184, 159536, 170352, 171808, 179478, 184548, 193284, 209391, 210912, 220896, 239304, 246064, 257712, 259246, 276822, 279188, 316368, 319072, 340704, 358956, 369096, 386568, 388869, 418782, 478608, 492128, 515424, 518492, 553644, 558376, 628173, 632736, 717912, 738192, 773136, 777738, 837564, 907361, 957216, 1036984, 1107288, 1116752, 1166607, 1256346, 1435824, 1476384, 1546272, 1555476, 1675128, 1814722, 2073968, 2214576, 2233504, 2333214, 2512692, 2722083, 2871648, 3110952, 3350256, 3629444, 4147936, 4429152, 4666428, 5025384, 5444166, 6221904, 6700512, 7258888, 8166249, 9332856, 10050768, 10888332, 12443808, 14517776, 16332498, 18665712, 20101536, 21776664, 29035552, 32664996, 37331424, 43553328, 65329992, 87106656, 130659984, 261319968]

約数ペア:

[(1, 261319968), (2, 130659984), (3, 87106656), (4, 65329992), (6, 43553328), (7, 37331424), (8, 32664996), (9, 29035552), (12, 21776664), (13, 20101536), (14, 18665712), (16, 16332498), (18, 14517776), (21, 12443808), (24, 10888332), (26, 10050768), (28, 9332856), (32, 8166249), (36, 7258888), (39, 6700512), (42, 6221904), (48, 5444166), (52, 5025384), (56, 4666428), (59, 4429152), (63, 4147936), (72, 3629444), (78, 3350256), (84, 3110952), (91, 2871648), (96, 2722083), (104, 2512692), (112, 2333214), (117, 2233504), (118, 2214576), (126, 2073968), (144, 1814722), (156, 1675128), (168, 1555476), (169, 1546272), (177, 1476384), (182, 1435824), (208, 1256346), (224, 1166607), (234, 1116752), (236, 1107288), (252, 1036984), (273, 957216), (288, 907361), (312, 837564), (336, 777738), (338, 773136), (354, 738192), (364, 717912), (413, 632736), (416, 628173), (468, 558376), (472, 553644), (504, 518492), (507, 515424), (531, 492128), (546, 478608), (624, 418782), (672, 388869), (676, 386568), (708, 369096), (728, 358956), (767, 340704), (819, 319072), (826, 316368), (936, 279188), (944, 276822), (1008, 259246), (1014, 257712), (1062, 246064), (1092, 239304), (1183, 220896), (1239, 210912), (1248, 209391), (1352, 193284), (1416, 184548), (1456, 179478), (1521, 171808), (1534, 170352), (1638, 159536), (1652, 158184), (1872, 139594), (1888, 138411), (2016, 129623), (2028, 128856), (2124, 123032), (2184, 119652), (2197, 118944), (2301, 113568), (2366, 110448), (2478, 105456), (2704, 96642), (2832, 92274), (2912, 89739), (3042, 85904), (3068, 85176), (3276, 79768), (3304, 79092), (3549, 73632), (3717, 70304), (3744, 69797), (4056, 64428), (4248, 61516), (4368, 59826), (4394, 59472), (4602, 56784), (4732, 55224), (4956, 52728), (5369, 48672), (5408, 48321), (5664, 46137), (6084, 42952), (6136, 42588), (6552, 39884), (6591, 39648), (6608, 39546), (6903, 37856), (7098, 36816), (7434, 35152), (8112, 32214), (8496, 30758), (8736, 29913), (8788, 29736), (9204, 28392), (9464, 27612), (9912, 26364), (9971, 26208), (10647, 24544), (10738, 24336), (12168, 21476), (12272, 21294), (13104, 19942), (13182, 19824), (13216, 19773), (13806, 18928), (14196, 18408), (14868, 17576), (15379, 16992), (16107, 16224)]