18717120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 168

約数和(自身を含む): 66013584

約数和(自身を除く): 47296464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 97, 120, 134, 144, 160, 180, 192, 194, 201, 240, 268, 288, 291, 320, 335, 360, 388, 402, 480, 485, 536, 576, 582, 603, 670, 720, 776, 804, 873, 960, 970, 1005, 1072, 1164, 1206, 1340, 1440, 1455, 1552, 1608, 1746, 1940, 2010, 2144, 2328, 2412, 2680, 2880, 2910, 3015, 3104, 3216, 3492, 3880, 4020, 4288, 4365, 4656, 4824, 5360, 5820, 6030, 6208, 6432, 6499, 6984, 7760, 8040, 8730, 9312, 9648, 10720, 11640, 12060, 12864, 12998, 13968, 15520, 16080, 17460, 18624, 19296, 19497, 21440, 23280, 24120, 25996, 27936, 31040, 32160, 32495, 34920, 38592, 38994, 46560, 48240, 51992, 55872, 58491, 64320, 64990, 69840, 77988, 93120, 96480, 97485, 103984, 116982, 129980, 139680, 155976, 192960, 194970, 207968, 233964, 259960, 279360, 292455, 311952, 389940, 415936, 467928, 519920, 584910, 623904, 779880, 935856, 1039840, 1169820, 1247808, 1559760, 1871712, 2079680, 2339640, 3119520, 3743424, 4679280, 6239040, 9358560, 18717120]

約数ペア:

[(1, 18717120), (2, 9358560), (3, 6239040), (4, 4679280), (5, 3743424), (6, 3119520), (8, 2339640), (9, 2079680), (10, 1871712), (12, 1559760), (15, 1247808), (16, 1169820), (18, 1039840), (20, 935856), (24, 779880), (30, 623904), (32, 584910), (36, 519920), (40, 467928), (45, 415936), (48, 389940), (60, 311952), (64, 292455), (67, 279360), (72, 259960), (80, 233964), (90, 207968), (96, 194970), (97, 192960), (120, 155976), (134, 139680), (144, 129980), (160, 116982), (180, 103984), (192, 97485), (194, 96480), (201, 93120), (240, 77988), (268, 69840), (288, 64990), (291, 64320), (320, 58491), (335, 55872), (360, 51992), (388, 48240), (402, 46560), (480, 38994), (485, 38592), (536, 34920), (576, 32495), (582, 32160), (603, 31040), (670, 27936), (720, 25996), (776, 24120), (804, 23280), (873, 21440), (960, 19497), (970, 19296), (1005, 18624), (1072, 17460), (1164, 16080), (1206, 15520), (1340, 13968), (1440, 12998), (1455, 12864), (1552, 12060), (1608, 11640), (1746, 10720), (1940, 9648), (2010, 9312), (2144, 8730), (2328, 8040), (2412, 7760), (2680, 6984), (2880, 6499), (2910, 6432), (3015, 6208), (3104, 6030), (3216, 5820), (3492, 5360), (3880, 4824), (4020, 4656), (4288, 4365)]