261455376

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 897692544

約数和(自身を除く): 636237168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 49, 51, 52, 56, 68, 78, 84, 91, 98, 102, 104, 112, 119, 136, 147, 156, 168, 182, 196, 204, 208, 221, 238, 272, 273, 294, 312, 336, 357, 364, 392, 408, 442, 476, 503, 546, 588, 624, 637, 663, 714, 728, 784, 816, 833, 884, 952, 1006, 1092, 1176, 1274, 1326, 1428, 1456, 1509, 1547, 1666, 1768, 1904, 1911, 2012, 2184, 2352, 2499, 2548, 2652, 2856, 3018, 3094, 3332, 3521, 3536, 3822, 4024, 4368, 4641, 4998, 5096, 5304, 5712, 6036, 6188, 6539, 6664, 7042, 7644, 8048, 8551, 9282, 9996, 10192, 10563, 10608, 10829, 12072, 12376, 13078, 13328, 14084, 15288, 17102, 18564, 19617, 19992, 21126, 21658, 24144, 24647, 24752, 25653, 26156, 28168, 30576, 32487, 34204, 37128, 39234, 39984, 42252, 43316, 45773, 49294, 51306, 52312, 56336, 59857, 64974, 68408, 73941, 74256, 78468, 84504, 86632, 91546, 98588, 102612, 104624, 111163, 119714, 129948, 136816, 137319, 147882, 156936, 169008, 173264, 179571, 183092, 197176, 205224, 222326, 239428, 259896, 274638, 295764, 313872, 320411, 333489, 359142, 366184, 394352, 410448, 418999, 444652, 478856, 519792, 549276, 591528, 640822, 666978, 718284, 732368, 778141, 837998, 889304, 957712, 961233, 1098552, 1183056, 1256997, 1281644, 1333956, 1436568, 1556282, 1675996, 1778608, 1922466, 2197104, 2334423, 2513994, 2563288, 2667912, 2873136, 3112564, 3351992, 3844932, 4668846, 5027988, 5126576, 5335824, 5446987, 6225128, 6703984, 7689864, 9337692, 10055976, 10893974, 12450256, 15379728, 16340961, 18675384, 20111952, 21787948, 32681922, 37350768, 43575896, 65363844, 87151792, 130727688, 261455376]

約数ペア:

[(1, 261455376), (2, 130727688), (3, 87151792), (4, 65363844), (6, 43575896), (7, 37350768), (8, 32681922), (12, 21787948), (13, 20111952), (14, 18675384), (16, 16340961), (17, 15379728), (21, 12450256), (24, 10893974), (26, 10055976), (28, 9337692), (34, 7689864), (39, 6703984), (42, 6225128), (48, 5446987), (49, 5335824), (51, 5126576), (52, 5027988), (56, 4668846), (68, 3844932), (78, 3351992), (84, 3112564), (91, 2873136), (98, 2667912), (102, 2563288), (104, 2513994), (112, 2334423), (119, 2197104), (136, 1922466), (147, 1778608), (156, 1675996), (168, 1556282), (182, 1436568), (196, 1333956), (204, 1281644), (208, 1256997), (221, 1183056), (238, 1098552), (272, 961233), (273, 957712), (294, 889304), (312, 837998), (336, 778141), (357, 732368), (364, 718284), (392, 666978), (408, 640822), (442, 591528), (476, 549276), (503, 519792), (546, 478856), (588, 444652), (624, 418999), (637, 410448), (663, 394352), (714, 366184), (728, 359142), (784, 333489), (816, 320411), (833, 313872), (884, 295764), (952, 274638), (1006, 259896), (1092, 239428), (1176, 222326), (1274, 205224), (1326, 197176), (1428, 183092), (1456, 179571), (1509, 173264), (1547, 169008), (1666, 156936), (1768, 147882), (1904, 137319), (1911, 136816), (2012, 129948), (2184, 119714), (2352, 111163), (2499, 104624), (2548, 102612), (2652, 98588), (2856, 91546), (3018, 86632), (3094, 84504), (3332, 78468), (3521, 74256), (3536, 73941), (3822, 68408), (4024, 64974), (4368, 59857), (4641, 56336), (4998, 52312), (5096, 51306), (5304, 49294), (5712, 45773), (6036, 43316), (6188, 42252), (6539, 39984), (6664, 39234), (7042, 37128), (7644, 34204), (8048, 32487), (8551, 30576), (9282, 28168), (9996, 26156), (10192, 25653), (10563, 24752), (10608, 24647), (10829, 24144), (12072, 21658), (12376, 21126), (13078, 19992), (13328, 19617), (14084, 18564), (15288, 17102)]