128229984

素因数分解:

$2^5\times 3^2\times {\mathrm{541}}^1\times {\mathrm{823}}^1$

素因数の和:1380

約数の個数: 72

約数和(自身を含む): 365771952

約数和(自身を除く): 237541968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 541, 823, 1082, 1623, 1646, 2164, 2469, 3246, 3292, 4328, 4869, 4938, 6492, 6584, 7407, 8656, 9738, 9876, 12984, 13168, 14814, 17312, 19476, 19752, 25968, 26336, 29628, 38952, 39504, 51936, 59256, 77904, 79008, 118512, 155808, 237024, 445243, 890486, 1335729, 1780972, 2671458, 3561944, 4007187, 5342916, 7123888, 8014374, 10685832, 14247776, 16028748, 21371664, 32057496, 42743328, 64114992, 128229984]

約数ペア:

[(1, 128229984), (2, 64114992), (3, 42743328), (4, 32057496), (6, 21371664), (8, 16028748), (9, 14247776), (12, 10685832), (16, 8014374), (18, 7123888), (24, 5342916), (32, 4007187), (36, 3561944), (48, 2671458), (72, 1780972), (96, 1335729), (144, 890486), (288, 445243), (541, 237024), (823, 155808), (1082, 118512), (1623, 79008), (1646, 77904), (2164, 59256), (2469, 51936), (3246, 39504), (3292, 38952), (4328, 29628), (4869, 26336), (4938, 25968), (6492, 19752), (6584, 19476), (7407, 17312), (8656, 14814), (9738, 13168), (9876, 12984)]