81518304

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 179755296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 47, 48, 56, 58, 84, 87, 89, 94, 96, 112, 116, 141, 168, 174, 178, 188, 203, 224, 232, 267, 282, 329, 336, 348, 356, 376, 406, 464, 534, 564, 609, 623, 658, 672, 696, 712, 752, 812, 928, 987, 1068, 1128, 1218, 1246, 1316, 1363, 1392, 1424, 1504, 1624, 1869, 1974, 2136, 2256, 2436, 2492, 2581, 2632, 2726, 2784, 2848, 3248, 3738, 3948, 4089, 4183, 4272, 4512, 4872, 4984, 5162, 5264, 5452, 6496, 7476, 7743, 7896, 8178, 8366, 8544, 9541, 9744, 9968, 10324, 10528, 10904, 12549, 14952, 15486, 15792, 16356, 16732, 18067, 19082, 19488, 19936, 20648, 21808, 25098, 28623, 29281, 29904, 30972, 31584, 32712, 33464, 36134, 38164, 41296, 43616, 50196, 54201, 57246, 58562, 59808, 61944, 65424, 66928, 72268, 76328, 82592, 87843, 100392, 108402, 114492, 117124, 121307, 123888, 130848, 133856, 144536, 152656, 175686, 200784, 216804, 228984, 234248, 242614, 247776, 289072, 305312, 351372, 363921, 401568, 433608, 457968, 468496, 485228, 578144, 702744, 727842, 849149, 867216, 915936, 936992, 970456, 1405488, 1455684, 1698298, 1734432, 1940912, 2547447, 2810976, 2911368, 3396596, 3881824, 5094894, 5822736, 6793192, 10189788, 11645472, 13586384, 20379576, 27172768, 40759152, 81518304]

約数ペア:

[(1, 81518304), (2, 40759152), (3, 27172768), (4, 20379576), (6, 13586384), (7, 11645472), (8, 10189788), (12, 6793192), (14, 5822736), (16, 5094894), (21, 3881824), (24, 3396596), (28, 2911368), (29, 2810976), (32, 2547447), (42, 1940912), (47, 1734432), (48, 1698298), (56, 1455684), (58, 1405488), (84, 970456), (87, 936992), (89, 915936), (94, 867216), (96, 849149), (112, 727842), (116, 702744), (141, 578144), (168, 485228), (174, 468496), (178, 457968), (188, 433608), (203, 401568), (224, 363921), (232, 351372), (267, 305312), (282, 289072), (329, 247776), (336, 242614), (348, 234248), (356, 228984), (376, 216804), (406, 200784), (464, 175686), (534, 152656), (564, 144536), (609, 133856), (623, 130848), (658, 123888), (672, 121307), (696, 117124), (712, 114492), (752, 108402), (812, 100392), (928, 87843), (987, 82592), (1068, 76328), (1128, 72268), (1218, 66928), (1246, 65424), (1316, 61944), (1363, 59808), (1392, 58562), (1424, 57246), (1504, 54201), (1624, 50196), (1869, 43616), (1974, 41296), (2136, 38164), (2256, 36134), (2436, 33464), (2492, 32712), (2581, 31584), (2632, 30972), (2726, 29904), (2784, 29281), (2848, 28623), (3248, 25098), (3738, 21808), (3948, 20648), (4089, 19936), (4183, 19488), (4272, 19082), (4512, 18067), (4872, 16732), (4984, 16356), (5162, 15792), (5264, 15486), (5452, 14952), (6496, 12549), (7476, 10904), (7743, 10528), (7896, 10324), (8178, 9968), (8366, 9744), (8544, 9541)]