12821760

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 52980480

約数和(自身を除く): 40158720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 106, 108, 112, 120, 126, 128, 135, 140, 144, 159, 160, 168, 180, 189, 192, 210, 212, 216, 224, 240, 252, 256, 265, 270, 280, 288, 315, 318, 320, 336, 360, 371, 378, 384, 420, 424, 432, 448, 477, 480, 504, 530, 540, 560, 576, 630, 636, 640, 672, 720, 742, 756, 768, 795, 840, 848, 864, 896, 945, 954, 960, 1008, 1060, 1080, 1113, 1120, 1152, 1260, 1272, 1280, 1344, 1431, 1440, 1484, 1512, 1590, 1680, 1696, 1728, 1792, 1855, 1890, 1908, 1920, 2016, 2120, 2160, 2226, 2240, 2304, 2385, 2520, 2544, 2688, 2862, 2880, 2968, 3024, 3180, 3339, 3360, 3392, 3456, 3710, 3780, 3816, 3840, 4032, 4240, 4320, 4452, 4480, 4770, 5040, 5088, 5376, 5565, 5724, 5760, 5936, 6048, 6360, 6678, 6720, 6784, 6912, 7155, 7420, 7560, 7632, 8064, 8480, 8640, 8904, 8960, 9540, 10017, 10080, 10176, 11130, 11448, 11520, 11872, 12096, 12720, 13356, 13440, 13568, 14310, 14840, 15120, 15264, 16128, 16695, 16960, 17280, 17808, 19080, 20034, 20160, 20352, 22260, 22896, 23744, 24192, 25440, 26712, 26880, 28620, 29680, 30240, 30528, 33390, 33920, 34560, 35616, 38160, 40068, 40320, 40704, 44520, 45792, 47488, 48384, 50085, 50880, 53424, 57240, 59360, 60480, 61056, 66780, 67840, 71232, 76320, 80136, 80640, 89040, 91584, 94976, 100170, 101760, 106848, 114480, 118720, 120960, 122112, 133560, 142464, 152640, 160272, 178080, 183168, 200340, 203520, 213696, 228960, 237440, 241920, 267120, 284928, 305280, 320544, 356160, 366336, 400680, 427392, 457920, 474880, 534240, 610560, 641088, 712320, 801360, 854784, 915840, 1068480, 1282176, 1424640, 1602720, 1831680, 2136960, 2564352, 3205440, 4273920, 6410880, 12821760]

約数ペア:

[(1, 12821760), (2, 6410880), (3, 4273920), (4, 3205440), (5, 2564352), (6, 2136960), (7, 1831680), (8, 1602720), (9, 1424640), (10, 1282176), (12, 1068480), (14, 915840), (15, 854784), (16, 801360), (18, 712320), (20, 641088), (21, 610560), (24, 534240), (27, 474880), (28, 457920), (30, 427392), (32, 400680), (35, 366336), (36, 356160), (40, 320544), (42, 305280), (45, 284928), (48, 267120), (53, 241920), (54, 237440), (56, 228960), (60, 213696), (63, 203520), (64, 200340), (70, 183168), (72, 178080), (80, 160272), (84, 152640), (90, 142464), (96, 133560), (105, 122112), (106, 120960), (108, 118720), (112, 114480), (120, 106848), (126, 101760), (128, 100170), (135, 94976), (140, 91584), (144, 89040), (159, 80640), (160, 80136), (168, 76320), (180, 71232), (189, 67840), (192, 66780), (210, 61056), (212, 60480), (216, 59360), (224, 57240), (240, 53424), (252, 50880), (256, 50085), (265, 48384), (270, 47488), (280, 45792), (288, 44520), (315, 40704), (318, 40320), (320, 40068), (336, 38160), (360, 35616), (371, 34560), (378, 33920), (384, 33390), (420, 30528), (424, 30240), (432, 29680), (448, 28620), (477, 26880), (480, 26712), (504, 25440), (530, 24192), (540, 23744), (560, 22896), (576, 22260), (630, 20352), (636, 20160), (640, 20034), (672, 19080), (720, 17808), (742, 17280), (756, 16960), (768, 16695), (795, 16128), (840, 15264), (848, 15120), (864, 14840), (896, 14310), (945, 13568), (954, 13440), (960, 13356), (1008, 12720), (1060, 12096), (1080, 11872), (1113, 11520), (1120, 11448), (1152, 11130), (1260, 10176), (1272, 10080), (1280, 10017), (1344, 9540), (1431, 8960), (1440, 8904), (1484, 8640), (1512, 8480), (1590, 8064), (1680, 7632), (1696, 7560), (1728, 7420), (1792, 7155), (1855, 6912), (1890, 6784), (1908, 6720), (1920, 6678), (2016, 6360), (2120, 6048), (2160, 5936), (2226, 5760), (2240, 5724), (2304, 5565), (2385, 5376), (2520, 5088), (2544, 5040), (2688, 4770), (2862, 4480), (2880, 4452), (2968, 4320), (3024, 4240), (3180, 4032), (3339, 3840), (3360, 3816), (3392, 3780), (3456, 3710)]