208545360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868939}}^1$

素因数の和:868955

約数の個数: 40

約数和(自身を含む): 646491360

約数和(自身を除く): 437946000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868939, 1737878, 2606817, 3475756, 4344695, 5213634, 6951512, 8689390, 10427268, 13034085, 13903024, 17378780, 20854536, 26068170, 34757560, 41709072, 52136340, 69515120, 104272680, 208545360]

約数ペア:

[(1, 208545360), (2, 104272680), (3, 69515120), (4, 52136340), (5, 41709072), (6, 34757560), (8, 26068170), (10, 20854536), (12, 17378780), (15, 13903024), (16, 13034085), (20, 10427268), (24, 8689390), (30, 6951512), (40, 5213634), (48, 4344695), (60, 3475756), (80, 2606817), (120, 1737878), (240, 868939)]