261246384

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 899109120

約数和(自身を除く): 637862736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 36, 42, 48, 54, 56, 58, 63, 72, 81, 84, 87, 108, 112, 116, 126, 144, 162, 168, 174, 189, 203, 216, 232, 243, 252, 261, 324, 331, 336, 348, 378, 406, 432, 464, 486, 504, 522, 567, 609, 648, 662, 696, 756, 783, 812, 972, 993, 1008, 1044, 1134, 1218, 1296, 1324, 1392, 1512, 1566, 1624, 1701, 1827, 1944, 1986, 2088, 2268, 2317, 2349, 2436, 2648, 2979, 3024, 3132, 3248, 3402, 3654, 3888, 3972, 4176, 4536, 4634, 4698, 4872, 5296, 5481, 5958, 6264, 6804, 6951, 7047, 7308, 7944, 8937, 9072, 9268, 9396, 9599, 9744, 10962, 11916, 12528, 13608, 13902, 14094, 14616, 15888, 16443, 17874, 18536, 18792, 19198, 20853, 21924, 23832, 26811, 27216, 27804, 28188, 28797, 29232, 32886, 35748, 37072, 37584, 38396, 41706, 43848, 47664, 49329, 53622, 55608, 56376, 57594, 62559, 65772, 67193, 71496, 76792, 80433, 83412, 86391, 87696, 98658, 107244, 111216, 112752, 115188, 125118, 131544, 134386, 142992, 153584, 160866, 166824, 172782, 187677, 197316, 201579, 214488, 230376, 250236, 259173, 263088, 268772, 321732, 333648, 345564, 375354, 394632, 403158, 428976, 460752, 500472, 518346, 537544, 563031, 604737, 643464, 691128, 750708, 777519, 789264, 806316, 1000944, 1036692, 1075088, 1126062, 1209474, 1286928, 1382256, 1501416, 1555038, 1612632, 1814211, 2073384, 2252124, 2332557, 2418948, 3002832, 3110076, 3225264, 3628422, 4146768, 4504248, 4665114, 4837896, 5442633, 6220152, 7256844, 9008496, 9330228, 9675792, 10885266, 12440304, 14513688, 16327899, 18660456, 21770532, 29027376, 32655798, 37320912, 43541064, 65311596, 87082128, 130623192, 261246384]

約数ペア:

[(1, 261246384), (2, 130623192), (3, 87082128), (4, 65311596), (6, 43541064), (7, 37320912), (8, 32655798), (9, 29027376), (12, 21770532), (14, 18660456), (16, 16327899), (18, 14513688), (21, 12440304), (24, 10885266), (27, 9675792), (28, 9330228), (29, 9008496), (36, 7256844), (42, 6220152), (48, 5442633), (54, 4837896), (56, 4665114), (58, 4504248), (63, 4146768), (72, 3628422), (81, 3225264), (84, 3110076), (87, 3002832), (108, 2418948), (112, 2332557), (116, 2252124), (126, 2073384), (144, 1814211), (162, 1612632), (168, 1555038), (174, 1501416), (189, 1382256), (203, 1286928), (216, 1209474), (232, 1126062), (243, 1075088), (252, 1036692), (261, 1000944), (324, 806316), (331, 789264), (336, 777519), (348, 750708), (378, 691128), (406, 643464), (432, 604737), (464, 563031), (486, 537544), (504, 518346), (522, 500472), (567, 460752), (609, 428976), (648, 403158), (662, 394632), (696, 375354), (756, 345564), (783, 333648), (812, 321732), (972, 268772), (993, 263088), (1008, 259173), (1044, 250236), (1134, 230376), (1218, 214488), (1296, 201579), (1324, 197316), (1392, 187677), (1512, 172782), (1566, 166824), (1624, 160866), (1701, 153584), (1827, 142992), (1944, 134386), (1986, 131544), (2088, 125118), (2268, 115188), (2317, 112752), (2349, 111216), (2436, 107244), (2648, 98658), (2979, 87696), (3024, 86391), (3132, 83412), (3248, 80433), (3402, 76792), (3654, 71496), (3888, 67193), (3972, 65772), (4176, 62559), (4536, 57594), (4634, 56376), (4698, 55608), (4872, 53622), (5296, 49329), (5481, 47664), (5958, 43848), (6264, 41706), (6804, 38396), (6951, 37584), (7047, 37072), (7308, 35748), (7944, 32886), (8937, 29232), (9072, 28797), (9268, 28188), (9396, 27804), (9599, 27216), (9744, 26811), (10962, 23832), (11916, 21924), (12528, 20853), (13608, 19198), (13902, 18792), (14094, 18536), (14616, 17874), (15888, 16443)]