161846265

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 306432000

約数和(自身を除く): 144585735

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 83, 105, 147, 245, 249, 343, 379, 415, 581, 735, 1029, 1137, 1245, 1715, 1743, 1895, 2653, 2905, 4067, 5145, 5685, 7959, 8715, 12201, 13265, 18571, 20335, 28469, 31457, 39795, 55713, 61005, 85407, 92855, 94371, 129997, 142345, 157285, 220199, 278565, 389991, 427035, 471855, 649985, 660597, 1100995, 1541393, 1949955, 3302985, 4624179, 7706965, 10789751, 23120895, 32369253, 53948755, 161846265]

約数ペア:

[(1, 161846265), (3, 53948755), (5, 32369253), (7, 23120895), (15, 10789751), (21, 7706965), (35, 4624179), (49, 3302985), (83, 1949955), (105, 1541393), (147, 1100995), (245, 660597), (249, 649985), (343, 471855), (379, 427035), (415, 389991), (581, 278565), (735, 220199), (1029, 157285), (1137, 142345), (1245, 129997), (1715, 94371), (1743, 92855), (1895, 85407), (2653, 61005), (2905, 55713), (4067, 39795), (5145, 31457), (5685, 28469), (7959, 20335), (8715, 18571), (12201, 13265)]