28075680

素因数分解:

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

素因数の和:188

約数の個数: 192

約数和(自身を含む): 100759680

約数和(自身を除く): 72684000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 96, 97, 108, 120, 134, 135, 144, 160, 180, 194, 201, 216, 240, 268, 270, 288, 291, 335, 360, 388, 402, 432, 480, 485, 536, 540, 582, 603, 670, 720, 776, 804, 864, 873, 970, 1005, 1072, 1080, 1164, 1206, 1340, 1440, 1455, 1552, 1608, 1746, 1809, 1940, 2010, 2144, 2160, 2328, 2412, 2619, 2680, 2910, 3015, 3104, 3216, 3492, 3618, 3880, 4020, 4320, 4365, 4656, 4824, 5238, 5360, 5820, 6030, 6432, 6499, 6984, 7236, 7760, 8040, 8730, 9045, 9312, 9648, 10476, 10720, 11640, 12060, 12998, 13095, 13968, 14472, 15520, 16080, 17460, 18090, 19296, 19497, 20952, 23280, 24120, 25996, 26190, 27936, 28944, 32160, 32495, 34920, 36180, 38994, 41904, 46560, 48240, 51992, 52380, 57888, 58491, 64990, 69840, 72360, 77988, 83808, 96480, 97485, 103984, 104760, 116982, 129980, 139680, 144720, 155976, 175473, 194970, 207968, 209520, 233964, 259960, 289440, 292455, 311952, 350946, 389940, 419040, 467928, 519920, 584910, 623904, 701892, 779880, 877365, 935856, 1039840, 1169820, 1403784, 1559760, 1754730, 1871712, 2339640, 2807568, 3119520, 3509460, 4679280, 5615136, 7018920, 9358560, 14037840, 28075680]

約数ペア:

[(1, 28075680), (2, 14037840), (3, 9358560), (4, 7018920), (5, 5615136), (6, 4679280), (8, 3509460), (9, 3119520), (10, 2807568), (12, 2339640), (15, 1871712), (16, 1754730), (18, 1559760), (20, 1403784), (24, 1169820), (27, 1039840), (30, 935856), (32, 877365), (36, 779880), (40, 701892), (45, 623904), (48, 584910), (54, 519920), (60, 467928), (67, 419040), (72, 389940), (80, 350946), (90, 311952), (96, 292455), (97, 289440), (108, 259960), (120, 233964), (134, 209520), (135, 207968), (144, 194970), (160, 175473), (180, 155976), (194, 144720), (201, 139680), (216, 129980), (240, 116982), (268, 104760), (270, 103984), (288, 97485), (291, 96480), (335, 83808), (360, 77988), (388, 72360), (402, 69840), (432, 64990), (480, 58491), (485, 57888), (536, 52380), (540, 51992), (582, 48240), (603, 46560), (670, 41904), (720, 38994), (776, 36180), (804, 34920), (864, 32495), (873, 32160), (970, 28944), (1005, 27936), (1072, 26190), (1080, 25996), (1164, 24120), (1206, 23280), (1340, 20952), (1440, 19497), (1455, 19296), (1552, 18090), (1608, 17460), (1746, 16080), (1809, 15520), (1940, 14472), (2010, 13968), (2144, 13095), (2160, 12998), (2328, 12060), (2412, 11640), (2619, 10720), (2680, 10476), (2910, 9648), (3015, 9312), (3104, 9045), (3216, 8730), (3492, 8040), (3618, 7760), (3880, 7236), (4020, 6984), (4320, 6499), (4365, 6432), (4656, 6030), (4824, 5820), (5238, 5360)]