206977920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 256

約数和(自身を含む): 710899200

約数和(自身を除く): 503921280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 43, 46, 48, 60, 64, 69, 80, 86, 92, 96, 109, 115, 120, 128, 129, 138, 160, 172, 184, 192, 215, 218, 230, 240, 258, 276, 320, 327, 344, 345, 368, 384, 430, 436, 460, 480, 516, 545, 552, 640, 645, 654, 688, 690, 736, 860, 872, 920, 960, 989, 1032, 1090, 1104, 1290, 1308, 1376, 1380, 1472, 1635, 1720, 1744, 1840, 1920, 1978, 2064, 2180, 2208, 2507, 2580, 2616, 2752, 2760, 2944, 2967, 3270, 3440, 3488, 3680, 3956, 4128, 4360, 4416, 4687, 4945, 5014, 5160, 5232, 5504, 5520, 5934, 6540, 6880, 6976, 7360, 7521, 7912, 8256, 8720, 8832, 9374, 9890, 10028, 10320, 10464, 11040, 11868, 12535, 13080, 13760, 13952, 14061, 14720, 14835, 15042, 15824, 16512, 17440, 18748, 19780, 20056, 20640, 20928, 22080, 23435, 23736, 25070, 26160, 27520, 28122, 29670, 30084, 31648, 34880, 37496, 37605, 39560, 40112, 41280, 41856, 44160, 46870, 47472, 50140, 52320, 56244, 59340, 60168, 63296, 69760, 70305, 74992, 75210, 79120, 80224, 82560, 93740, 94944, 100280, 104640, 107801, 112488, 118680, 120336, 126592, 140610, 149984, 150420, 158240, 160448, 187480, 189888, 200560, 209280, 215602, 224976, 237360, 240672, 281220, 299968, 300840, 316480, 320896, 323403, 374960, 379776, 401120, 431204, 449952, 474720, 481344, 539005, 562440, 599936, 601680, 632960, 646806, 749920, 802240, 862408, 899904, 949440, 962688, 1078010, 1124880, 1203360, 1293612, 1499840, 1604480, 1617015, 1724816, 1799808, 1898880, 2156020, 2249760, 2406720, 2587224, 2999680, 3234030, 3449632, 4312040, 4499520, 4813440, 5174448, 6468060, 6899264, 8624080, 8999040, 10348896, 12936120, 13798528, 17248160, 20697792, 25872240, 34496320, 41395584, 51744480, 68992640, 103488960, 206977920]

約数ペア:

[(1, 206977920), (2, 103488960), (3, 68992640), (4, 51744480), (5, 41395584), (6, 34496320), (8, 25872240), (10, 20697792), (12, 17248160), (15, 13798528), (16, 12936120), (20, 10348896), (23, 8999040), (24, 8624080), (30, 6899264), (32, 6468060), (40, 5174448), (43, 4813440), (46, 4499520), (48, 4312040), (60, 3449632), (64, 3234030), (69, 2999680), (80, 2587224), (86, 2406720), (92, 2249760), (96, 2156020), (109, 1898880), (115, 1799808), (120, 1724816), (128, 1617015), (129, 1604480), (138, 1499840), (160, 1293612), (172, 1203360), (184, 1124880), (192, 1078010), (215, 962688), (218, 949440), (230, 899904), (240, 862408), (258, 802240), (276, 749920), (320, 646806), (327, 632960), (344, 601680), (345, 599936), (368, 562440), (384, 539005), (430, 481344), (436, 474720), (460, 449952), (480, 431204), (516, 401120), (545, 379776), (552, 374960), (640, 323403), (645, 320896), (654, 316480), (688, 300840), (690, 299968), (736, 281220), (860, 240672), (872, 237360), (920, 224976), (960, 215602), (989, 209280), (1032, 200560), (1090, 189888), (1104, 187480), (1290, 160448), (1308, 158240), (1376, 150420), (1380, 149984), (1472, 140610), (1635, 126592), (1720, 120336), (1744, 118680), (1840, 112488), (1920, 107801), (1978, 104640), (2064, 100280), (2180, 94944), (2208, 93740), (2507, 82560), (2580, 80224), (2616, 79120), (2752, 75210), (2760, 74992), (2944, 70305), (2967, 69760), (3270, 63296), (3440, 60168), (3488, 59340), (3680, 56244), (3956, 52320), (4128, 50140), (4360, 47472), (4416, 46870), (4687, 44160), (4945, 41856), (5014, 41280), (5160, 40112), (5232, 39560), (5504, 37605), (5520, 37496), (5934, 34880), (6540, 31648), (6880, 30084), (6976, 29670), (7360, 28122), (7521, 27520), (7912, 26160), (8256, 25070), (8720, 23736), (8832, 23435), (9374, 22080), (9890, 20928), (10028, 20640), (10320, 20056), (10464, 19780), (11040, 18748), (11868, 17440), (12535, 16512), (13080, 15824), (13760, 15042), (13952, 14835), (14061, 14720)]