64393920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 224

約数和(自身を含む): 235915200

約数和(自身を除く): 171521280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 257, 261, 270, 288, 290, 320, 348, 360, 432, 435, 464, 480, 514, 522, 540, 576, 580, 696, 720, 771, 783, 864, 870, 928, 960, 1028, 1044, 1080, 1160, 1285, 1305, 1392, 1440, 1542, 1566, 1728, 1740, 1856, 2056, 2088, 2160, 2313, 2320, 2570, 2610, 2784, 2880, 3084, 3132, 3480, 3855, 3915, 4112, 4176, 4320, 4626, 4640, 5140, 5220, 5568, 6168, 6264, 6939, 6960, 7453, 7710, 7830, 8224, 8352, 8640, 9252, 9280, 10280, 10440, 11565, 12336, 12528, 13878, 13920, 14906, 15420, 15660, 16448, 16704, 18504, 20560, 20880, 22359, 23130, 24672, 25056, 27756, 27840, 29812, 30840, 31320, 34695, 37008, 37265, 41120, 41760, 44718, 46260, 49344, 50112, 55512, 59624, 61680, 62640, 67077, 69390, 74016, 74530, 82240, 83520, 89436, 92520, 111024, 111795, 119248, 123360, 125280, 134154, 138780, 148032, 149060, 178872, 185040, 201231, 222048, 223590, 238496, 246720, 250560, 268308, 277560, 298120, 335385, 357744, 370080, 402462, 444096, 447180, 476992, 536616, 555120, 596240, 670770, 715488, 740160, 804924, 894360, 1006155, 1073232, 1110240, 1192480, 1341540, 1430976, 1609848, 1788720, 2012310, 2146464, 2220480, 2384960, 2683080, 3219696, 3577440, 4024620, 4292928, 5366160, 6439392, 7154880, 8049240, 10732320, 12878784, 16098480, 21464640, 32196960, 64393920]

約数ペア:

[(1, 64393920), (2, 32196960), (3, 21464640), (4, 16098480), (5, 12878784), (6, 10732320), (8, 8049240), (9, 7154880), (10, 6439392), (12, 5366160), (15, 4292928), (16, 4024620), (18, 3577440), (20, 3219696), (24, 2683080), (27, 2384960), (29, 2220480), (30, 2146464), (32, 2012310), (36, 1788720), (40, 1609848), (45, 1430976), (48, 1341540), (54, 1192480), (58, 1110240), (60, 1073232), (64, 1006155), (72, 894360), (80, 804924), (87, 740160), (90, 715488), (96, 670770), (108, 596240), (116, 555120), (120, 536616), (135, 476992), (144, 447180), (145, 444096), (160, 402462), (174, 370080), (180, 357744), (192, 335385), (216, 298120), (232, 277560), (240, 268308), (257, 250560), (261, 246720), (270, 238496), (288, 223590), (290, 222048), (320, 201231), (348, 185040), (360, 178872), (432, 149060), (435, 148032), (464, 138780), (480, 134154), (514, 125280), (522, 123360), (540, 119248), (576, 111795), (580, 111024), (696, 92520), (720, 89436), (771, 83520), (783, 82240), (864, 74530), (870, 74016), (928, 69390), (960, 67077), (1028, 62640), (1044, 61680), (1080, 59624), (1160, 55512), (1285, 50112), (1305, 49344), (1392, 46260), (1440, 44718), (1542, 41760), (1566, 41120), (1728, 37265), (1740, 37008), (1856, 34695), (2056, 31320), (2088, 30840), (2160, 29812), (2313, 27840), (2320, 27756), (2570, 25056), (2610, 24672), (2784, 23130), (2880, 22359), (3084, 20880), (3132, 20560), (3480, 18504), (3855, 16704), (3915, 16448), (4112, 15660), (4176, 15420), (4320, 14906), (4626, 13920), (4640, 13878), (5140, 12528), (5220, 12336), (5568, 11565), (6168, 10440), (6264, 10280), (6939, 9280), (6960, 9252), (7453, 8640), (7710, 8352), (7830, 8224)]