28733760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:941

約数の個数: 168

約数和(自身を含む): 107935776

約数和(自身を除く): 79202016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 907, 960, 990, 1056, 1320, 1440, 1584, 1760, 1814, 1980, 2112, 2640, 2721, 2880, 3168, 3520, 3628, 3960, 4535, 5280, 5442, 6336, 7256, 7920, 8163, 9070, 9977, 10560, 10884, 13605, 14512, 15840, 16326, 18140, 19954, 21768, 27210, 29024, 29931, 31680, 32652, 36280, 39908, 40815, 43536, 49885, 54420, 58048, 59862, 65304, 72560, 79816, 81630, 87072, 89793, 99770, 108840, 119724, 130608, 145120, 149655, 159632, 163260, 174144, 179586, 199540, 217680, 239448, 261216, 290240, 299310, 319264, 326520, 359172, 399080, 435360, 448965, 478896, 522432, 598620, 638528, 653040, 718344, 798160, 870720, 897930, 957792, 1197240, 1306080, 1436688, 1596320, 1795860, 1915584, 2394480, 2612160, 2873376, 3192640, 3591720, 4788960, 5746752, 7183440, 9577920, 14366880, 28733760]

約数ペア:

[(1, 28733760), (2, 14366880), (3, 9577920), (4, 7183440), (5, 5746752), (6, 4788960), (8, 3591720), (9, 3192640), (10, 2873376), (11, 2612160), (12, 2394480), (15, 1915584), (16, 1795860), (18, 1596320), (20, 1436688), (22, 1306080), (24, 1197240), (30, 957792), (32, 897930), (33, 870720), (36, 798160), (40, 718344), (44, 653040), (45, 638528), (48, 598620), (55, 522432), (60, 478896), (64, 448965), (66, 435360), (72, 399080), (80, 359172), (88, 326520), (90, 319264), (96, 299310), (99, 290240), (110, 261216), (120, 239448), (132, 217680), (144, 199540), (160, 179586), (165, 174144), (176, 163260), (180, 159632), (192, 149655), (198, 145120), (220, 130608), (240, 119724), (264, 108840), (288, 99770), (320, 89793), (330, 87072), (352, 81630), (360, 79816), (396, 72560), (440, 65304), (480, 59862), (495, 58048), (528, 54420), (576, 49885), (660, 43536), (704, 40815), (720, 39908), (792, 36280), (880, 32652), (907, 31680), (960, 29931), (990, 29024), (1056, 27210), (1320, 21768), (1440, 19954), (1584, 18140), (1760, 16326), (1814, 15840), (1980, 14512), (2112, 13605), (2640, 10884), (2721, 10560), (2880, 9977), (3168, 9070), (3520, 8163), (3628, 7920), (3960, 7256), (4535, 6336), (5280, 5442)]