28679040

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 106928640

約数和(自身を除く): 78249600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 383, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 766, 780, 832, 936, 960, 1040, 1149, 1152, 1170, 1248, 1440, 1532, 1560, 1664, 1872, 1915, 1920, 2080, 2298, 2340, 2496, 2880, 3064, 3120, 3447, 3744, 3830, 4160, 4596, 4680, 4979, 4992, 5745, 5760, 6128, 6240, 6894, 7488, 7660, 8320, 9192, 9360, 9958, 11490, 12256, 12480, 13788, 14937, 14976, 15320, 17235, 18384, 18720, 19916, 22980, 24512, 24895, 24960, 27576, 29874, 30640, 34470, 36768, 37440, 39832, 44811, 45960, 49024, 49790, 55152, 59748, 61280, 68940, 73536, 74685, 74880, 79664, 89622, 91920, 99580, 110304, 119496, 122560, 137880, 147072, 149370, 159328, 179244, 183840, 199160, 220608, 224055, 238992, 245120, 275760, 298740, 318656, 358488, 367680, 398320, 441216, 448110, 477984, 551520, 597480, 637312, 716976, 735360, 796640, 896220, 955968, 1103040, 1194960, 1433952, 1593280, 1792440, 1911936, 2206080, 2389920, 2867904, 3186560, 3584880, 4779840, 5735808, 7169760, 9559680, 14339520, 28679040]

約数ペア:

[(1, 28679040), (2, 14339520), (3, 9559680), (4, 7169760), (5, 5735808), (6, 4779840), (8, 3584880), (9, 3186560), (10, 2867904), (12, 2389920), (13, 2206080), (15, 1911936), (16, 1792440), (18, 1593280), (20, 1433952), (24, 1194960), (26, 1103040), (30, 955968), (32, 896220), (36, 796640), (39, 735360), (40, 716976), (45, 637312), (48, 597480), (52, 551520), (60, 477984), (64, 448110), (65, 441216), (72, 398320), (78, 367680), (80, 358488), (90, 318656), (96, 298740), (104, 275760), (117, 245120), (120, 238992), (128, 224055), (130, 220608), (144, 199160), (156, 183840), (160, 179244), (180, 159328), (192, 149370), (195, 147072), (208, 137880), (234, 122560), (240, 119496), (260, 110304), (288, 99580), (312, 91920), (320, 89622), (360, 79664), (383, 74880), (384, 74685), (390, 73536), (416, 68940), (468, 61280), (480, 59748), (520, 55152), (576, 49790), (585, 49024), (624, 45960), (640, 44811), (720, 39832), (766, 37440), (780, 36768), (832, 34470), (936, 30640), (960, 29874), (1040, 27576), (1149, 24960), (1152, 24895), (1170, 24512), (1248, 22980), (1440, 19916), (1532, 18720), (1560, 18384), (1664, 17235), (1872, 15320), (1915, 14976), (1920, 14937), (2080, 13788), (2298, 12480), (2340, 12256), (2496, 11490), (2880, 9958), (3064, 9360), (3120, 9192), (3447, 8320), (3744, 7660), (3830, 7488), (4160, 6894), (4596, 6240), (4680, 6128), (4979, 5760), (4992, 5745)]