81479040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42437}}^1$

素因数の和:42459

約数の個数: 64

約数和(自身を含む): 259720560

約数和(自身を除く): 178241520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42437, 84874, 127311, 169748, 212185, 254622, 339496, 424370, 509244, 636555, 678992, 848740, 1018488, 1273110, 1357984, 1697480, 2036976, 2546220, 2715968, 3394960, 4073952, 5092440, 5431936, 6789920, 8147904, 10184880, 13579840, 16295808, 20369760, 27159680, 40739520, 81479040]

約数ペア:

[(1, 81479040), (2, 40739520), (3, 27159680), (4, 20369760), (5, 16295808), (6, 13579840), (8, 10184880), (10, 8147904), (12, 6789920), (15, 5431936), (16, 5092440), (20, 4073952), (24, 3394960), (30, 2715968), (32, 2546220), (40, 2036976), (48, 1697480), (60, 1357984), (64, 1273110), (80, 1018488), (96, 848740), (120, 678992), (128, 636555), (160, 509244), (192, 424370), (240, 339496), (320, 254622), (384, 212185), (480, 169748), (640, 127311), (960, 84874), (1920, 42437)]