28730880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 240

約数和(自身を含む): 105328080

約数和(自身を除く): 76597200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 43, 45, 48, 58, 60, 64, 72, 80, 86, 87, 90, 96, 116, 120, 128, 129, 144, 145, 160, 172, 174, 180, 192, 215, 232, 240, 256, 258, 261, 288, 290, 320, 344, 348, 360, 384, 387, 430, 435, 464, 480, 512, 516, 522, 576, 580, 640, 645, 688, 696, 720, 768, 774, 860, 870, 928, 960, 1032, 1044, 1152, 1160, 1247, 1280, 1290, 1305, 1376, 1392, 1440, 1536, 1548, 1720, 1740, 1856, 1920, 1935, 2064, 2088, 2304, 2320, 2494, 2560, 2580, 2610, 2752, 2784, 2880, 3096, 3440, 3480, 3712, 3741, 3840, 3870, 4128, 4176, 4608, 4640, 4988, 5160, 5220, 5504, 5568, 5760, 6192, 6235, 6880, 6960, 7424, 7482, 7680, 7740, 8256, 8352, 9280, 9976, 10320, 10440, 11008, 11136, 11223, 11520, 12384, 12470, 13760, 13920, 14848, 14964, 15480, 16512, 16704, 18560, 18705, 19952, 20640, 20880, 22016, 22272, 22446, 23040, 24768, 24940, 27520, 27840, 29928, 30960, 33024, 33408, 37120, 37410, 39904, 41280, 41760, 44544, 44892, 49536, 49880, 55040, 55680, 56115, 59856, 61920, 66048, 66816, 74240, 74820, 79808, 82560, 83520, 89784, 99072, 99760, 110080, 111360, 112230, 119712, 123840, 133632, 149640, 159616, 165120, 167040, 179568, 198144, 199520, 222720, 224460, 239424, 247680, 299280, 319232, 330240, 334080, 359136, 399040, 448920, 478848, 495360, 598560, 638464, 668160, 718272, 798080, 897840, 957696, 990720, 1197120, 1436544, 1596160, 1795680, 1915392, 2394240, 2873088, 3192320, 3591360, 4788480, 5746176, 7182720, 9576960, 14365440, 28730880]

約数ペア:

[(1, 28730880), (2, 14365440), (3, 9576960), (4, 7182720), (5, 5746176), (6, 4788480), (8, 3591360), (9, 3192320), (10, 2873088), (12, 2394240), (15, 1915392), (16, 1795680), (18, 1596160), (20, 1436544), (24, 1197120), (29, 990720), (30, 957696), (32, 897840), (36, 798080), (40, 718272), (43, 668160), (45, 638464), (48, 598560), (58, 495360), (60, 478848), (64, 448920), (72, 399040), (80, 359136), (86, 334080), (87, 330240), (90, 319232), (96, 299280), (116, 247680), (120, 239424), (128, 224460), (129, 222720), (144, 199520), (145, 198144), (160, 179568), (172, 167040), (174, 165120), (180, 159616), (192, 149640), (215, 133632), (232, 123840), (240, 119712), (256, 112230), (258, 111360), (261, 110080), (288, 99760), (290, 99072), (320, 89784), (344, 83520), (348, 82560), (360, 79808), (384, 74820), (387, 74240), (430, 66816), (435, 66048), (464, 61920), (480, 59856), (512, 56115), (516, 55680), (522, 55040), (576, 49880), (580, 49536), (640, 44892), (645, 44544), (688, 41760), (696, 41280), (720, 39904), (768, 37410), (774, 37120), (860, 33408), (870, 33024), (928, 30960), (960, 29928), (1032, 27840), (1044, 27520), (1152, 24940), (1160, 24768), (1247, 23040), (1280, 22446), (1290, 22272), (1305, 22016), (1376, 20880), (1392, 20640), (1440, 19952), (1536, 18705), (1548, 18560), (1720, 16704), (1740, 16512), (1856, 15480), (1920, 14964), (1935, 14848), (2064, 13920), (2088, 13760), (2304, 12470), (2320, 12384), (2494, 11520), (2560, 11223), (2580, 11136), (2610, 11008), (2752, 10440), (2784, 10320), (2880, 9976), (3096, 9280), (3440, 8352), (3480, 8256), (3712, 7740), (3741, 7680), (3840, 7482), (3870, 7424), (4128, 6960), (4176, 6880), (4608, 6235), (4640, 6192), (4988, 5760), (5160, 5568), (5220, 5504)]