255440280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2128669}}^1$

素因数の和:2128683

約数の個数: 32

約数和(自身を含む): 766321200

約数和(自身を除く): 510880920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2128669, 4257338, 6386007, 8514676, 10643345, 12772014, 17029352, 21286690, 25544028, 31930035, 42573380, 51088056, 63860070, 85146760, 127720140, 255440280]

約数ペア:

[(1, 255440280), (2, 127720140), (3, 85146760), (4, 63860070), (5, 51088056), (6, 42573380), (8, 31930035), (10, 25544028), (12, 21286690), (15, 17029352), (20, 12772014), (24, 10643345), (30, 8514676), (40, 6386007), (60, 4257338), (120, 2128669)]