28206720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 100245600

約数和(自身を除く): 72038880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 64, 72, 80, 83, 90, 96, 118, 120, 128, 144, 160, 166, 177, 180, 192, 236, 240, 249, 288, 295, 320, 332, 354, 360, 384, 415, 472, 480, 498, 531, 576, 590, 640, 664, 708, 720, 747, 830, 885, 944, 960, 996, 1062, 1152, 1180, 1245, 1328, 1416, 1440, 1494, 1660, 1770, 1888, 1920, 1992, 2124, 2360, 2490, 2655, 2656, 2832, 2880, 2988, 3320, 3540, 3735, 3776, 3984, 4248, 4720, 4897, 4980, 5310, 5312, 5664, 5760, 5976, 6640, 7080, 7470, 7552, 7968, 8496, 9440, 9794, 9960, 10620, 10624, 11328, 11952, 13280, 14160, 14691, 14940, 15936, 16992, 18880, 19588, 19920, 21240, 22656, 23904, 24485, 26560, 28320, 29382, 29880, 31872, 33984, 37760, 39176, 39840, 42480, 44073, 47808, 48970, 53120, 56640, 58764, 59760, 67968, 73455, 78352, 79680, 84960, 88146, 95616, 97940, 113280, 117528, 119520, 146910, 156704, 159360, 169920, 176292, 195880, 220365, 235056, 239040, 293820, 313408, 339840, 352584, 391760, 440730, 470112, 478080, 587640, 626816, 705168, 783520, 881460, 940224, 1175280, 1410336, 1567040, 1762920, 1880448, 2350560, 2820672, 3134080, 3525840, 4701120, 5641344, 7051680, 9402240, 14103360, 28206720]

約数ペア:

[(1, 28206720), (2, 14103360), (3, 9402240), (4, 7051680), (5, 5641344), (6, 4701120), (8, 3525840), (9, 3134080), (10, 2820672), (12, 2350560), (15, 1880448), (16, 1762920), (18, 1567040), (20, 1410336), (24, 1175280), (30, 940224), (32, 881460), (36, 783520), (40, 705168), (45, 626816), (48, 587640), (59, 478080), (60, 470112), (64, 440730), (72, 391760), (80, 352584), (83, 339840), (90, 313408), (96, 293820), (118, 239040), (120, 235056), (128, 220365), (144, 195880), (160, 176292), (166, 169920), (177, 159360), (180, 156704), (192, 146910), (236, 119520), (240, 117528), (249, 113280), (288, 97940), (295, 95616), (320, 88146), (332, 84960), (354, 79680), (360, 78352), (384, 73455), (415, 67968), (472, 59760), (480, 58764), (498, 56640), (531, 53120), (576, 48970), (590, 47808), (640, 44073), (664, 42480), (708, 39840), (720, 39176), (747, 37760), (830, 33984), (885, 31872), (944, 29880), (960, 29382), (996, 28320), (1062, 26560), (1152, 24485), (1180, 23904), (1245, 22656), (1328, 21240), (1416, 19920), (1440, 19588), (1494, 18880), (1660, 16992), (1770, 15936), (1888, 14940), (1920, 14691), (1992, 14160), (2124, 13280), (2360, 11952), (2490, 11328), (2655, 10624), (2656, 10620), (2832, 9960), (2880, 9794), (2988, 9440), (3320, 8496), (3540, 7968), (3735, 7552), (3776, 7470), (3984, 7080), (4248, 6640), (4720, 5976), (4897, 5760), (4980, 5664), (5310, 5312)]