161220384

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 216

約数和(自身を含む): 528009300

約数和(自身を除く): 366788916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 149, 153, 156, 204, 208, 221, 234, 272, 288, 289, 298, 306, 312, 408, 416, 442, 447, 468, 544, 578, 596, 612, 624, 663, 816, 867, 884, 894, 936, 1156, 1192, 1224, 1248, 1326, 1341, 1632, 1734, 1768, 1788, 1872, 1937, 1989, 2312, 2384, 2448, 2533, 2601, 2652, 2682, 3468, 3536, 3576, 3744, 3757, 3874, 3978, 4624, 4768, 4896, 5066, 5202, 5304, 5364, 5811, 6936, 7072, 7152, 7514, 7599, 7748, 7956, 9248, 10132, 10404, 10608, 10728, 11271, 11622, 13872, 14304, 15028, 15198, 15496, 15912, 17433, 20264, 20808, 21216, 21456, 22542, 22797, 23244, 27744, 30056, 30396, 30992, 31824, 32929, 33813, 34866, 40528, 41616, 42912, 43061, 45084, 45594, 46488, 60112, 60792, 61984, 63648, 65858, 67626, 69732, 81056, 83232, 86122, 90168, 91188, 92976, 98787, 120224, 121584, 129183, 131716, 135252, 139464, 172244, 180336, 182376, 185952, 197574, 243168, 258366, 263432, 270504, 278928, 296361, 344488, 360672, 364752, 387549, 395148, 516732, 526864, 541008, 557856, 559793, 592722, 688976, 729504, 775098, 790296, 1033464, 1053728, 1082016, 1119586, 1185444, 1377952, 1550196, 1580592, 1679379, 2066928, 2239172, 2370888, 3100392, 3161184, 3358758, 4133856, 4478344, 4741776, 5038137, 6200784, 6717516, 8956688, 9483552, 10076274, 12401568, 13435032, 17913376, 20152548, 26870064, 40305096, 53740128, 80610192, 161220384]

約数ペア:

[(1, 161220384), (2, 80610192), (3, 53740128), (4, 40305096), (6, 26870064), (8, 20152548), (9, 17913376), (12, 13435032), (13, 12401568), (16, 10076274), (17, 9483552), (18, 8956688), (24, 6717516), (26, 6200784), (32, 5038137), (34, 4741776), (36, 4478344), (39, 4133856), (48, 3358758), (51, 3161184), (52, 3100392), (68, 2370888), (72, 2239172), (78, 2066928), (96, 1679379), (102, 1580592), (104, 1550196), (117, 1377952), (136, 1185444), (144, 1119586), (149, 1082016), (153, 1053728), (156, 1033464), (204, 790296), (208, 775098), (221, 729504), (234, 688976), (272, 592722), (288, 559793), (289, 557856), (298, 541008), (306, 526864), (312, 516732), (408, 395148), (416, 387549), (442, 364752), (447, 360672), (468, 344488), (544, 296361), (578, 278928), (596, 270504), (612, 263432), (624, 258366), (663, 243168), (816, 197574), (867, 185952), (884, 182376), (894, 180336), (936, 172244), (1156, 139464), (1192, 135252), (1224, 131716), (1248, 129183), (1326, 121584), (1341, 120224), (1632, 98787), (1734, 92976), (1768, 91188), (1788, 90168), (1872, 86122), (1937, 83232), (1989, 81056), (2312, 69732), (2384, 67626), (2448, 65858), (2533, 63648), (2601, 61984), (2652, 60792), (2682, 60112), (3468, 46488), (3536, 45594), (3576, 45084), (3744, 43061), (3757, 42912), (3874, 41616), (3978, 40528), (4624, 34866), (4768, 33813), (4896, 32929), (5066, 31824), (5202, 30992), (5304, 30396), (5364, 30056), (5811, 27744), (6936, 23244), (7072, 22797), (7152, 22542), (7514, 21456), (7599, 21216), (7748, 20808), (7956, 20264), (9248, 17433), (10132, 15912), (10404, 15496), (10608, 15198), (10728, 15028), (11271, 14304), (11622, 13872)]