28949760

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 216

約数和(自身を含む): 114791040

約数和(自身を除く): 85841280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 359, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 718, 720, 768, 840, 896, 960, 1008, 1077, 1120, 1152, 1260, 1280, 1344, 1436, 1440, 1680, 1792, 1795, 1920, 2016, 2154, 2240, 2304, 2513, 2520, 2688, 2872, 2880, 3231, 3360, 3590, 3840, 4032, 4308, 4480, 5026, 5040, 5376, 5385, 5744, 5760, 6462, 6720, 7180, 7539, 8064, 8616, 8960, 10052, 10080, 10770, 11488, 11520, 12565, 12924, 13440, 14360, 15078, 16128, 16155, 17232, 20104, 20160, 21540, 22617, 22976, 25130, 25848, 26880, 28720, 30156, 32310, 34464, 37695, 40208, 40320, 43080, 45234, 45952, 50260, 51696, 57440, 60312, 64620, 68928, 75390, 80416, 80640, 86160, 90468, 91904, 100520, 103392, 113085, 114880, 120624, 129240, 137856, 150780, 160832, 172320, 180936, 201040, 206784, 226170, 229760, 241248, 258480, 275712, 301560, 321664, 344640, 361872, 402080, 413568, 452340, 459520, 482496, 516960, 603120, 643328, 689280, 723744, 804160, 827136, 904680, 964992, 1033920, 1206240, 1378560, 1447488, 1608320, 1809360, 1929984, 2067840, 2412480, 2894976, 3216640, 3618720, 4135680, 4824960, 5789952, 7237440, 9649920, 14474880, 28949760]

約数ペア:

[(1, 28949760), (2, 14474880), (3, 9649920), (4, 7237440), (5, 5789952), (6, 4824960), (7, 4135680), (8, 3618720), (9, 3216640), (10, 2894976), (12, 2412480), (14, 2067840), (15, 1929984), (16, 1809360), (18, 1608320), (20, 1447488), (21, 1378560), (24, 1206240), (28, 1033920), (30, 964992), (32, 904680), (35, 827136), (36, 804160), (40, 723744), (42, 689280), (45, 643328), (48, 603120), (56, 516960), (60, 482496), (63, 459520), (64, 452340), (70, 413568), (72, 402080), (80, 361872), (84, 344640), (90, 321664), (96, 301560), (105, 275712), (112, 258480), (120, 241248), (126, 229760), (128, 226170), (140, 206784), (144, 201040), (160, 180936), (168, 172320), (180, 160832), (192, 150780), (210, 137856), (224, 129240), (240, 120624), (252, 114880), (256, 113085), (280, 103392), (288, 100520), (315, 91904), (320, 90468), (336, 86160), (359, 80640), (360, 80416), (384, 75390), (420, 68928), (448, 64620), (480, 60312), (504, 57440), (560, 51696), (576, 50260), (630, 45952), (640, 45234), (672, 43080), (718, 40320), (720, 40208), (768, 37695), (840, 34464), (896, 32310), (960, 30156), (1008, 28720), (1077, 26880), (1120, 25848), (1152, 25130), (1260, 22976), (1280, 22617), (1344, 21540), (1436, 20160), (1440, 20104), (1680, 17232), (1792, 16155), (1795, 16128), (1920, 15078), (2016, 14360), (2154, 13440), (2240, 12924), (2304, 12565), (2513, 11520), (2520, 11488), (2688, 10770), (2872, 10080), (2880, 10052), (3231, 8960), (3360, 8616), (3590, 8064), (3840, 7539), (4032, 7180), (4308, 6720), (4480, 6462), (5026, 5760), (5040, 5744), (5376, 5385)]