399059520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{415687}}^1$

素因数の和:415707

約数の個数: 56

約数和(自身を含む): 1267017024

約数和(自身を除く): 867957504

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, 160, 192, 240, 320, 480, 960, 415687, 831374, 1247061, 1662748, 2078435, 2494122, 3325496, 4156870, 4988244, 6235305, 6650992, 8313740, 9976488, 12470610, 13301984, 16627480, 19952976, 24941220, 26603968, 33254960, 39905952, 49882440, 66509920, 79811904, 99764880, 133019840, 199529760, 399059520]

約数ペア:

[(1, 399059520), (2, 199529760), (3, 133019840), (4, 99764880), (5, 79811904), (6, 66509920), (8, 49882440), (10, 39905952), (12, 33254960), (15, 26603968), (16, 24941220), (20, 19952976), (24, 16627480), (30, 13301984), (32, 12470610), (40, 9976488), (48, 8313740), (60, 6650992), (64, 6235305), (80, 4988244), (96, 4156870), (120, 3325496), (160, 2494122), (192, 2078435), (240, 1662748), (320, 1247061), (480, 831374), (960, 415687)]