1517680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 3597984

約数和(自身を除く): 2080304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 311, 488, 610, 622, 976, 1220, 1244, 1555, 2440, 2488, 3110, 4880, 4976, 6220, 12440, 18971, 24880, 37942, 75884, 94855, 151768, 189710, 303536, 379420, 758840, 1517680]

約数ペア:

[(1, 1517680), (2, 758840), (4, 379420), (5, 303536), (8, 189710), (10, 151768), (16, 94855), (20, 75884), (40, 37942), (61, 24880), (80, 18971), (122, 12440), (244, 6220), (305, 4976), (311, 4880), (488, 3110), (610, 2488), (622, 2440), (976, 1555), (1220, 1244)]