128837856

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 400755600

約数和(自身を除く): 271917744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 84, 96, 98, 112, 122, 147, 168, 183, 196, 224, 244, 294, 336, 366, 392, 427, 449, 488, 588, 672, 732, 784, 854, 898, 976, 1176, 1281, 1347, 1464, 1568, 1708, 1796, 1952, 2352, 2562, 2694, 2928, 2989, 3143, 3416, 3592, 4704, 5124, 5388, 5856, 5978, 6286, 6832, 7184, 8967, 9429, 10248, 10776, 11956, 12572, 13664, 14368, 17934, 18858, 20496, 21552, 22001, 23912, 25144, 27389, 35868, 37716, 40992, 43104, 44002, 47824, 50288, 54778, 66003, 71736, 75432, 82167, 88004, 95648, 100576, 109556, 132006, 143472, 150864, 164334, 176008, 191723, 219112, 264012, 286944, 301728, 328668, 352016, 383446, 438224, 528024, 575169, 657336, 704032, 766892, 876448, 1056048, 1150338, 1314672, 1342061, 1533784, 2112096, 2300676, 2629344, 2684122, 3067568, 4026183, 4601352, 5368244, 6135136, 8052366, 9202704, 10736488, 16104732, 18405408, 21472976, 32209464, 42945952, 64418928, 128837856]

約数ペア:

[(1, 128837856), (2, 64418928), (3, 42945952), (4, 32209464), (6, 21472976), (7, 18405408), (8, 16104732), (12, 10736488), (14, 9202704), (16, 8052366), (21, 6135136), (24, 5368244), (28, 4601352), (32, 4026183), (42, 3067568), (48, 2684122), (49, 2629344), (56, 2300676), (61, 2112096), (84, 1533784), (96, 1342061), (98, 1314672), (112, 1150338), (122, 1056048), (147, 876448), (168, 766892), (183, 704032), (196, 657336), (224, 575169), (244, 528024), (294, 438224), (336, 383446), (366, 352016), (392, 328668), (427, 301728), (449, 286944), (488, 264012), (588, 219112), (672, 191723), (732, 176008), (784, 164334), (854, 150864), (898, 143472), (976, 132006), (1176, 109556), (1281, 100576), (1347, 95648), (1464, 88004), (1568, 82167), (1708, 75432), (1796, 71736), (1952, 66003), (2352, 54778), (2562, 50288), (2694, 47824), (2928, 44002), (2989, 43104), (3143, 40992), (3416, 37716), (3592, 35868), (4704, 27389), (5124, 25144), (5388, 23912), (5856, 22001), (5978, 21552), (6286, 20496), (6832, 18858), (7184, 17934), (8967, 14368), (9429, 13664), (10248, 12572), (10776, 11956)]