258642720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2885

約数の個数: 240

約数和(自身を含む): 1043558208

約数和(自身を除く): 784915488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 2851, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 5702, 6048, 6480, 7560, 8553, 9072, 10080, 11340, 11404, 12960, 14255, 15120, 17106, 18144, 19957, 22680, 22808, 25659, 28510, 30240, 34212, 39914, 42765, 45360, 45616, 51318, 57020, 59871, 68424, 76977, 79828, 85530, 90720, 91232, 99785, 102636, 114040, 119742, 128295, 136848, 153954, 159656, 171060, 179613, 199570, 205272, 228080, 230931, 239484, 256590, 273696, 299355, 307908, 319312, 342120, 359226, 384885, 399140, 410544, 456160, 461862, 478968, 513180, 538839, 598710, 615816, 638624, 684240, 718452, 769770, 798280, 821088, 898065, 923724, 957936, 1026360, 1077678, 1154655, 1197420, 1231632, 1368480, 1436904, 1539540, 1596560, 1616517, 1796130, 1847448, 1915872, 2052720, 2155356, 2309310, 2394840, 2463264, 2694195, 2873808, 3079080, 3193120, 3233034, 3592260, 3694896, 4105440, 4310712, 4618620, 4789680, 5388390, 5747616, 6158160, 6466068, 7184520, 7389792, 8082585, 8621424, 9237240, 9579360, 10776780, 12316320, 12932136, 14369040, 16165170, 17242848, 18474480, 21553560, 25864272, 28738080, 32330340, 36948960, 43107120, 51728544, 64660680, 86214240, 129321360, 258642720]

約数ペア:

[(1, 258642720), (2, 129321360), (3, 86214240), (4, 64660680), (5, 51728544), (6, 43107120), (7, 36948960), (8, 32330340), (9, 28738080), (10, 25864272), (12, 21553560), (14, 18474480), (15, 17242848), (16, 16165170), (18, 14369040), (20, 12932136), (21, 12316320), (24, 10776780), (27, 9579360), (28, 9237240), (30, 8621424), (32, 8082585), (35, 7389792), (36, 7184520), (40, 6466068), (42, 6158160), (45, 5747616), (48, 5388390), (54, 4789680), (56, 4618620), (60, 4310712), (63, 4105440), (70, 3694896), (72, 3592260), (80, 3233034), (81, 3193120), (84, 3079080), (90, 2873808), (96, 2694195), (105, 2463264), (108, 2394840), (112, 2309310), (120, 2155356), (126, 2052720), (135, 1915872), (140, 1847448), (144, 1796130), (160, 1616517), (162, 1596560), (168, 1539540), (180, 1436904), (189, 1368480), (210, 1231632), (216, 1197420), (224, 1154655), (240, 1077678), (252, 1026360), (270, 957936), (280, 923724), (288, 898065), (315, 821088), (324, 798280), (336, 769770), (360, 718452), (378, 684240), (405, 638624), (420, 615816), (432, 598710), (480, 538839), (504, 513180), (540, 478968), (560, 461862), (567, 456160), (630, 410544), (648, 399140), (672, 384885), (720, 359226), (756, 342120), (810, 319312), (840, 307908), (864, 299355), (945, 273696), (1008, 256590), (1080, 239484), (1120, 230931), (1134, 228080), (1260, 205272), (1296, 199570), (1440, 179613), (1512, 171060), (1620, 159656), (1680, 153954), (1890, 136848), (2016, 128295), (2160, 119742), (2268, 114040), (2520, 102636), (2592, 99785), (2835, 91232), (2851, 90720), (3024, 85530), (3240, 79828), (3360, 76977), (3780, 68424), (4320, 59871), (4536, 57020), (5040, 51318), (5670, 45616), (5702, 45360), (6048, 42765), (6480, 39914), (7560, 34212), (8553, 30240), (9072, 28510), (10080, 25659), (11340, 22808), (11404, 22680), (12960, 19957), (14255, 18144), (15120, 17106)]