87990180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63761}}^1$

素因数の和:63796

約数の個数: 48

約数和(自身を含む): 257088384

約数和(自身を除く): 169098204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 63761, 127522, 191283, 255044, 318805, 382566, 637610, 765132, 956415, 1275220, 1466503, 1912830, 2933006, 3825660, 4399509, 5866012, 7332515, 8799018, 14665030, 17598036, 21997545, 29330060, 43995090, 87990180]

約数ペア:

[(1, 87990180), (2, 43995090), (3, 29330060), (4, 21997545), (5, 17598036), (6, 14665030), (10, 8799018), (12, 7332515), (15, 5866012), (20, 4399509), (23, 3825660), (30, 2933006), (46, 1912830), (60, 1466503), (69, 1275220), (92, 956415), (115, 765132), (138, 637610), (230, 382566), (276, 318805), (345, 255044), (460, 191283), (690, 127522), (1380, 63761)]