51434880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 193881600

約数和(自身を除く): 142446720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 89, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 178, 192, 210, 215, 224, 240, 258, 267, 280, 301, 320, 336, 344, 356, 384, 420, 430, 445, 448, 480, 516, 534, 560, 602, 623, 640, 645, 672, 688, 712, 840, 860, 890, 896, 903, 960, 1032, 1068, 1120, 1204, 1246, 1290, 1335, 1344, 1376, 1424, 1505, 1680, 1720, 1780, 1806, 1869, 1920, 2064, 2136, 2240, 2408, 2492, 2580, 2670, 2688, 2752, 2848, 3010, 3115, 3360, 3440, 3560, 3612, 3738, 3827, 4128, 4272, 4480, 4515, 4816, 4984, 5160, 5340, 5504, 5696, 6020, 6230, 6720, 6880, 7120, 7224, 7476, 7654, 8256, 8544, 9030, 9345, 9632, 9968, 10320, 10680, 11392, 11481, 12040, 12460, 13440, 13760, 14240, 14448, 14952, 15308, 16512, 17088, 18060, 18690, 19135, 19264, 19936, 20640, 21360, 22962, 24080, 24920, 26789, 27520, 28480, 28896, 29904, 30616, 34176, 36120, 37380, 38270, 38528, 39872, 41280, 42720, 45924, 48160, 49840, 53578, 56960, 57405, 57792, 59808, 61232, 72240, 74760, 76540, 79744, 80367, 82560, 85440, 91848, 96320, 99680, 107156, 114810, 115584, 119616, 122464, 133945, 144480, 149520, 153080, 160734, 170880, 183696, 192640, 199360, 214312, 229620, 239232, 244928, 267890, 288960, 299040, 306160, 321468, 367392, 398720, 401835, 428624, 459240, 489856, 535780, 577920, 598080, 612320, 642936, 734784, 803670, 857248, 918480, 1071560, 1196160, 1224640, 1285872, 1469568, 1607340, 1714496, 1836960, 2143120, 2449280, 2571744, 3214680, 3428992, 3673920, 4286240, 5143488, 6429360, 7347840, 8572480, 10286976, 12858720, 17144960, 25717440, 51434880]

約数ペア:

[(1, 51434880), (2, 25717440), (3, 17144960), (4, 12858720), (5, 10286976), (6, 8572480), (7, 7347840), (8, 6429360), (10, 5143488), (12, 4286240), (14, 3673920), (15, 3428992), (16, 3214680), (20, 2571744), (21, 2449280), (24, 2143120), (28, 1836960), (30, 1714496), (32, 1607340), (35, 1469568), (40, 1285872), (42, 1224640), (43, 1196160), (48, 1071560), (56, 918480), (60, 857248), (64, 803670), (70, 734784), (80, 642936), (84, 612320), (86, 598080), (89, 577920), (96, 535780), (105, 489856), (112, 459240), (120, 428624), (128, 401835), (129, 398720), (140, 367392), (160, 321468), (168, 306160), (172, 299040), (178, 288960), (192, 267890), (210, 244928), (215, 239232), (224, 229620), (240, 214312), (258, 199360), (267, 192640), (280, 183696), (301, 170880), (320, 160734), (336, 153080), (344, 149520), (356, 144480), (384, 133945), (420, 122464), (430, 119616), (445, 115584), (448, 114810), (480, 107156), (516, 99680), (534, 96320), (560, 91848), (602, 85440), (623, 82560), (640, 80367), (645, 79744), (672, 76540), (688, 74760), (712, 72240), (840, 61232), (860, 59808), (890, 57792), (896, 57405), (903, 56960), (960, 53578), (1032, 49840), (1068, 48160), (1120, 45924), (1204, 42720), (1246, 41280), (1290, 39872), (1335, 38528), (1344, 38270), (1376, 37380), (1424, 36120), (1505, 34176), (1680, 30616), (1720, 29904), (1780, 28896), (1806, 28480), (1869, 27520), (1920, 26789), (2064, 24920), (2136, 24080), (2240, 22962), (2408, 21360), (2492, 20640), (2580, 19936), (2670, 19264), (2688, 19135), (2752, 18690), (2848, 18060), (3010, 17088), (3115, 16512), (3360, 15308), (3440, 14952), (3560, 14448), (3612, 14240), (3738, 13760), (3827, 13440), (4128, 12460), (4272, 12040), (4480, 11481), (4515, 11392), (4816, 10680), (4984, 10320), (5160, 9968), (5340, 9632), (5504, 9345), (5696, 9030), (6020, 8544), (6230, 8256), (6720, 7654), (6880, 7476), (7120, 7224)]