154440440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1293

約数の個数: 128

約数和(自身を含む): 444165120

約数和(自身を除く): 289724680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 574, 616, 770, 820, 902, 1148, 1223, 1435, 1540, 1640, 1804, 2255, 2296, 2446, 2870, 3080, 3157, 3608, 4510, 4892, 5740, 6115, 6314, 8561, 9020, 9784, 11480, 12230, 12628, 13453, 15785, 17122, 18040, 24460, 25256, 26906, 31570, 34244, 42805, 48920, 50143, 53812, 63140, 67265, 68488, 85610, 94171, 100286, 107624, 126280, 134530, 171220, 188342, 200572, 250715, 269060, 342440, 351001, 376684, 401144, 470855, 501430, 538120, 551573, 702002, 753368, 941710, 1002860, 1103146, 1404004, 1755005, 1883420, 2005720, 2206292, 2757865, 2808008, 3510010, 3766840, 3861011, 4412584, 5515730, 7020020, 7722022, 11031460, 14040040, 15444044, 19305055, 22062920, 30888088, 38610110, 77220220, 154440440]

約数ペア:

[(1, 154440440), (2, 77220220), (4, 38610110), (5, 30888088), (7, 22062920), (8, 19305055), (10, 15444044), (11, 14040040), (14, 11031460), (20, 7722022), (22, 7020020), (28, 5515730), (35, 4412584), (40, 3861011), (41, 3766840), (44, 3510010), (55, 2808008), (56, 2757865), (70, 2206292), (77, 2005720), (82, 1883420), (88, 1755005), (110, 1404004), (140, 1103146), (154, 1002860), (164, 941710), (205, 753368), (220, 702002), (280, 551573), (287, 538120), (308, 501430), (328, 470855), (385, 401144), (410, 376684), (440, 351001), (451, 342440), (574, 269060), (616, 250715), (770, 200572), (820, 188342), (902, 171220), (1148, 134530), (1223, 126280), (1435, 107624), (1540, 100286), (1640, 94171), (1804, 85610), (2255, 68488), (2296, 67265), (2446, 63140), (2870, 53812), (3080, 50143), (3157, 48920), (3608, 42805), (4510, 34244), (4892, 31570), (5740, 26906), (6115, 25256), (6314, 24460), (8561, 18040), (9020, 17122), (9784, 15785), (11480, 13453), (12230, 12628)]