205739520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 320

約数和(自身を含む): 777807360

約数和(自身を除く): 572067840

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, 256, 258, 267, 280, 301, 320, 336, 344, 356, 384, 420, 430, 445, 448, 480, 512, 516, 534, 560, 602, 623, 640, 645, 672, 688, 712, 768, 840, 860, 890, 896, 903, 960, 1032, 1068, 1120, 1204, 1246, 1280, 1290, 1335, 1344, 1376, 1424, 1505, 1536, 1680, 1720, 1780, 1792, 1806, 1869, 1920, 2064, 2136, 2240, 2408, 2492, 2560, 2580, 2670, 2688, 2752, 2848, 3010, 3115, 3360, 3440, 3560, 3584, 3612, 3738, 3827, 3840, 4128, 4272, 4480, 4515, 4816, 4984, 5160, 5340, 5376, 5504, 5696, 6020, 6230, 6720, 6880, 7120, 7224, 7476, 7654, 7680, 8256, 8544, 8960, 9030, 9345, 9632, 9968, 10320, 10680, 10752, 11008, 11392, 11481, 12040, 12460, 13440, 13760, 14240, 14448, 14952, 15308, 16512, 17088, 17920, 18060, 18690, 19135, 19264, 19936, 20640, 21360, 22016, 22784, 22962, 24080, 24920, 26789, 26880, 27520, 28480, 28896, 29904, 30616, 33024, 34176, 36120, 37380, 38270, 38528, 39872, 41280, 42720, 45568, 45924, 48160, 49840, 53578, 53760, 55040, 56960, 57405, 57792, 59808, 61232, 66048, 68352, 72240, 74760, 76540, 77056, 79744, 80367, 82560, 85440, 91848, 96320, 99680, 107156, 110080, 113920, 114810, 115584, 119616, 122464, 133945, 136704, 144480, 149520, 153080, 154112, 159488, 160734, 165120, 170880, 183696, 192640, 199360, 214312, 227840, 229620, 231168, 239232, 244928, 267890, 288960, 299040, 306160, 318976, 321468, 330240, 341760, 367392, 385280, 398720, 401835, 428624, 459240, 462336, 478464, 489856, 535780, 577920, 598080, 612320, 642936, 683520, 734784, 770560, 797440, 803670, 857248, 918480, 956928, 979712, 1071560, 1155840, 1196160, 1224640, 1285872, 1469568, 1594880, 1607340, 1714496, 1836960, 1959424, 2143120, 2311680, 2392320, 2449280, 2571744, 2939136, 3214680, 3428992, 3673920, 4286240, 4784640, 4898560, 5143488, 5878272, 6429360, 6857984, 7347840, 8572480, 9797120, 10286976, 12858720, 13715968, 14695680, 17144960, 20573952, 25717440, 29391360, 34289920, 41147904, 51434880, 68579840, 102869760, 205739520]

約数ペア:

[(1, 205739520), (2, 102869760), (3, 68579840), (4, 51434880), (5, 41147904), (6, 34289920), (7, 29391360), (8, 25717440), (10, 20573952), (12, 17144960), (14, 14695680), (15, 13715968), (16, 12858720), (20, 10286976), (21, 9797120), (24, 8572480), (28, 7347840), (30, 6857984), (32, 6429360), (35, 5878272), (40, 5143488), (42, 4898560), (43, 4784640), (48, 4286240), (56, 3673920), (60, 3428992), (64, 3214680), (70, 2939136), (80, 2571744), (84, 2449280), (86, 2392320), (89, 2311680), (96, 2143120), (105, 1959424), (112, 1836960), (120, 1714496), (128, 1607340), (129, 1594880), (140, 1469568), (160, 1285872), (168, 1224640), (172, 1196160), (178, 1155840), (192, 1071560), (210, 979712), (215, 956928), (224, 918480), (240, 857248), (256, 803670), (258, 797440), (267, 770560), (280, 734784), (301, 683520), (320, 642936), (336, 612320), (344, 598080), (356, 577920), (384, 535780), (420, 489856), (430, 478464), (445, 462336), (448, 459240), (480, 428624), (512, 401835), (516, 398720), (534, 385280), (560, 367392), (602, 341760), (623, 330240), (640, 321468), (645, 318976), (672, 306160), (688, 299040), (712, 288960), (768, 267890), (840, 244928), (860, 239232), (890, 231168), (896, 229620), (903, 227840), (960, 214312), (1032, 199360), (1068, 192640), (1120, 183696), (1204, 170880), (1246, 165120), (1280, 160734), (1290, 159488), (1335, 154112), (1344, 153080), (1376, 149520), (1424, 144480), (1505, 136704), (1536, 133945), (1680, 122464), (1720, 119616), (1780, 115584), (1792, 114810), (1806, 113920), (1869, 110080), (1920, 107156), (2064, 99680), (2136, 96320), (2240, 91848), (2408, 85440), (2492, 82560), (2560, 80367), (2580, 79744), (2670, 77056), (2688, 76540), (2752, 74760), (2848, 72240), (3010, 68352), (3115, 66048), (3360, 61232), (3440, 59808), (3560, 57792), (3584, 57405), (3612, 56960), (3738, 55040), (3827, 53760), (3840, 53578), (4128, 49840), (4272, 48160), (4480, 45924), (4515, 45568), (4816, 42720), (4984, 41280), (5160, 39872), (5340, 38528), (5376, 38270), (5504, 37380), (5696, 36120), (6020, 34176), (6230, 33024), (6720, 30616), (6880, 29904), (7120, 28896), (7224, 28480), (7476, 27520), (7654, 26880), (7680, 26789), (8256, 24920), (8544, 24080), (8960, 22962), (9030, 22784), (9345, 22016), (9632, 21360), (9968, 20640), (10320, 19936), (10680, 19264), (10752, 19135), (11008, 18690), (11392, 18060), (11481, 17920), (12040, 17088), (12460, 16512), (13440, 15308), (13760, 14952), (14240, 14448)]