128673888

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 406973952

約数和(自身を除く): 278300064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 61, 73, 84, 86, 96, 112, 122, 129, 146, 168, 172, 183, 219, 224, 244, 258, 292, 301, 336, 344, 366, 427, 438, 488, 511, 516, 584, 602, 672, 688, 732, 854, 876, 903, 976, 1022, 1032, 1168, 1204, 1281, 1376, 1464, 1533, 1708, 1752, 1806, 1952, 2044, 2064, 2336, 2408, 2562, 2623, 2928, 3066, 3139, 3416, 3504, 3612, 4088, 4128, 4453, 4816, 5124, 5246, 5856, 6132, 6278, 6832, 7008, 7224, 7869, 8176, 8906, 9417, 9632, 10248, 10492, 12264, 12556, 13359, 13664, 14448, 15738, 16352, 17812, 18361, 18834, 20496, 20984, 21973, 24528, 25112, 26718, 28896, 31171, 31476, 35624, 36722, 37668, 40992, 41968, 43946, 49056, 50224, 53436, 55083, 62342, 62952, 65919, 71248, 73444, 75336, 83936, 87892, 93513, 100448, 106872, 110166, 124684, 125904, 131838, 142496, 146888, 150672, 175784, 187026, 191479, 213744, 220332, 249368, 251808, 263676, 293776, 301344, 351568, 374052, 382958, 427488, 440664, 498736, 527352, 574437, 587552, 703136, 748104, 765916, 881328, 997472, 1054704, 1148874, 1340353, 1496208, 1531832, 1762656, 2109408, 2297748, 2680706, 2992416, 3063664, 4021059, 4595496, 5361412, 6127328, 8042118, 9190992, 10722824, 16084236, 18381984, 21445648, 32168472, 42891296, 64336944, 128673888]

約数ペア:

[(1, 128673888), (2, 64336944), (3, 42891296), (4, 32168472), (6, 21445648), (7, 18381984), (8, 16084236), (12, 10722824), (14, 9190992), (16, 8042118), (21, 6127328), (24, 5361412), (28, 4595496), (32, 4021059), (42, 3063664), (43, 2992416), (48, 2680706), (56, 2297748), (61, 2109408), (73, 1762656), (84, 1531832), (86, 1496208), (96, 1340353), (112, 1148874), (122, 1054704), (129, 997472), (146, 881328), (168, 765916), (172, 748104), (183, 703136), (219, 587552), (224, 574437), (244, 527352), (258, 498736), (292, 440664), (301, 427488), (336, 382958), (344, 374052), (366, 351568), (427, 301344), (438, 293776), (488, 263676), (511, 251808), (516, 249368), (584, 220332), (602, 213744), (672, 191479), (688, 187026), (732, 175784), (854, 150672), (876, 146888), (903, 142496), (976, 131838), (1022, 125904), (1032, 124684), (1168, 110166), (1204, 106872), (1281, 100448), (1376, 93513), (1464, 87892), (1533, 83936), (1708, 75336), (1752, 73444), (1806, 71248), (1952, 65919), (2044, 62952), (2064, 62342), (2336, 55083), (2408, 53436), (2562, 50224), (2623, 49056), (2928, 43946), (3066, 41968), (3139, 40992), (3416, 37668), (3504, 36722), (3612, 35624), (4088, 31476), (4128, 31171), (4453, 28896), (4816, 26718), (5124, 25112), (5246, 24528), (5856, 21973), (6132, 20984), (6278, 20496), (6832, 18834), (7008, 18361), (7224, 17812), (7869, 16352), (8176, 15738), (8906, 14448), (9417, 13664), (9632, 13359), (10248, 12556), (10492, 12264)]