28379520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 192

約数和(自身を含む): 105814800

約数和(自身を除く): 77435280

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, 379, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 758, 780, 832, 936, 960, 1040, 1137, 1152, 1170, 1248, 1440, 1516, 1560, 1664, 1872, 1895, 1920, 2080, 2274, 2340, 2496, 2880, 3032, 3120, 3411, 3744, 3790, 4160, 4548, 4680, 4927, 4992, 5685, 5760, 6064, 6240, 6822, 7488, 7580, 8320, 9096, 9360, 9854, 11370, 12128, 12480, 13644, 14781, 14976, 15160, 17055, 18192, 18720, 19708, 22740, 24256, 24635, 24960, 27288, 29562, 30320, 34110, 36384, 37440, 39416, 44343, 45480, 48512, 49270, 54576, 59124, 60640, 68220, 72768, 73905, 74880, 78832, 88686, 90960, 98540, 109152, 118248, 121280, 136440, 145536, 147810, 157664, 177372, 181920, 197080, 218304, 221715, 236496, 242560, 272880, 295620, 315328, 354744, 363840, 394160, 436608, 443430, 472992, 545760, 591240, 630656, 709488, 727680, 788320, 886860, 945984, 1091520, 1182480, 1418976, 1576640, 1773720, 1891968, 2183040, 2364960, 2837952, 3153280, 3547440, 4729920, 5675904, 7094880, 9459840, 14189760, 28379520]

約数ペア:

[(1, 28379520), (2, 14189760), (3, 9459840), (4, 7094880), (5, 5675904), (6, 4729920), (8, 3547440), (9, 3153280), (10, 2837952), (12, 2364960), (13, 2183040), (15, 1891968), (16, 1773720), (18, 1576640), (20, 1418976), (24, 1182480), (26, 1091520), (30, 945984), (32, 886860), (36, 788320), (39, 727680), (40, 709488), (45, 630656), (48, 591240), (52, 545760), (60, 472992), (64, 443430), (65, 436608), (72, 394160), (78, 363840), (80, 354744), (90, 315328), (96, 295620), (104, 272880), (117, 242560), (120, 236496), (128, 221715), (130, 218304), (144, 197080), (156, 181920), (160, 177372), (180, 157664), (192, 147810), (195, 145536), (208, 136440), (234, 121280), (240, 118248), (260, 109152), (288, 98540), (312, 90960), (320, 88686), (360, 78832), (379, 74880), (384, 73905), (390, 72768), (416, 68220), (468, 60640), (480, 59124), (520, 54576), (576, 49270), (585, 48512), (624, 45480), (640, 44343), (720, 39416), (758, 37440), (780, 36384), (832, 34110), (936, 30320), (960, 29562), (1040, 27288), (1137, 24960), (1152, 24635), (1170, 24256), (1248, 22740), (1440, 19708), (1516, 18720), (1560, 18192), (1664, 17055), (1872, 15160), (1895, 14976), (1920, 14781), (2080, 13644), (2274, 12480), (2340, 12128), (2496, 11370), (2880, 9854), (3032, 9360), (3120, 9096), (3411, 8320), (3744, 7580), (3790, 7488), (4160, 6822), (4548, 6240), (4680, 6064), (4927, 5760), (4992, 5685)]