21548160

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 256

約数和(自身を含む): 80784000

約数和(自身を除く): 59235840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 43, 45, 48, 54, 58, 60, 64, 72, 80, 86, 87, 90, 96, 108, 116, 120, 128, 129, 135, 144, 145, 160, 172, 174, 180, 192, 215, 216, 232, 240, 258, 261, 270, 288, 290, 320, 344, 348, 360, 384, 387, 430, 432, 435, 464, 480, 516, 522, 540, 576, 580, 640, 645, 688, 696, 720, 774, 783, 860, 864, 870, 928, 960, 1032, 1044, 1080, 1152, 1160, 1161, 1247, 1290, 1305, 1376, 1392, 1440, 1548, 1566, 1720, 1728, 1740, 1856, 1920, 1935, 2064, 2088, 2160, 2320, 2322, 2494, 2580, 2610, 2752, 2784, 2880, 3096, 3132, 3440, 3456, 3480, 3712, 3741, 3870, 3915, 4128, 4176, 4320, 4640, 4644, 4988, 5160, 5220, 5504, 5568, 5760, 5805, 6192, 6235, 6264, 6880, 6960, 7482, 7740, 7830, 8256, 8352, 8640, 9280, 9288, 9976, 10320, 10440, 11136, 11223, 11610, 12384, 12470, 12528, 13760, 13920, 14964, 15480, 15660, 16512, 16704, 17280, 18560, 18576, 18705, 19952, 20640, 20880, 22446, 23220, 24768, 24940, 25056, 27520, 27840, 29928, 30960, 31320, 33408, 33669, 37152, 37410, 39904, 41280, 41760, 44892, 46440, 49536, 49880, 50112, 55680, 56115, 59856, 61920, 62640, 67338, 74304, 74820, 79808, 82560, 83520, 89784, 92880, 99760, 100224, 112230, 119712, 123840, 125280, 134676, 148608, 149640, 159616, 167040, 168345, 179568, 185760, 199520, 224460, 239424, 247680, 250560, 269352, 299280, 336690, 359136, 371520, 399040, 448920, 478848, 501120, 538704, 598560, 673380, 718272, 743040, 798080, 897840, 1077408, 1197120, 1346760, 1436544, 1795680, 2154816, 2394240, 2693520, 3591360, 4309632, 5387040, 7182720, 10774080, 21548160]

約数ペア:

[(1, 21548160), (2, 10774080), (3, 7182720), (4, 5387040), (5, 4309632), (6, 3591360), (8, 2693520), (9, 2394240), (10, 2154816), (12, 1795680), (15, 1436544), (16, 1346760), (18, 1197120), (20, 1077408), (24, 897840), (27, 798080), (29, 743040), (30, 718272), (32, 673380), (36, 598560), (40, 538704), (43, 501120), (45, 478848), (48, 448920), (54, 399040), (58, 371520), (60, 359136), (64, 336690), (72, 299280), (80, 269352), (86, 250560), (87, 247680), (90, 239424), (96, 224460), (108, 199520), (116, 185760), (120, 179568), (128, 168345), (129, 167040), (135, 159616), (144, 149640), (145, 148608), (160, 134676), (172, 125280), (174, 123840), (180, 119712), (192, 112230), (215, 100224), (216, 99760), (232, 92880), (240, 89784), (258, 83520), (261, 82560), (270, 79808), (288, 74820), (290, 74304), (320, 67338), (344, 62640), (348, 61920), (360, 59856), (384, 56115), (387, 55680), (430, 50112), (432, 49880), (435, 49536), (464, 46440), (480, 44892), (516, 41760), (522, 41280), (540, 39904), (576, 37410), (580, 37152), (640, 33669), (645, 33408), (688, 31320), (696, 30960), (720, 29928), (774, 27840), (783, 27520), (860, 25056), (864, 24940), (870, 24768), (928, 23220), (960, 22446), (1032, 20880), (1044, 20640), (1080, 19952), (1152, 18705), (1160, 18576), (1161, 18560), (1247, 17280), (1290, 16704), (1305, 16512), (1376, 15660), (1392, 15480), (1440, 14964), (1548, 13920), (1566, 13760), (1720, 12528), (1728, 12470), (1740, 12384), (1856, 11610), (1920, 11223), (1935, 11136), (2064, 10440), (2088, 10320), (2160, 9976), (2320, 9288), (2322, 9280), (2494, 8640), (2580, 8352), (2610, 8256), (2752, 7830), (2784, 7740), (2880, 7482), (3096, 6960), (3132, 6880), (3440, 6264), (3456, 6235), (3480, 6192), (3712, 5805), (3741, 5760), (3870, 5568), (3915, 5504), (4128, 5220), (4176, 5160), (4320, 4988), (4640, 4644)]