261695340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{484621}}^1$

素因数の和:484639

約数の個数: 48

約数和(自身を含む): 814164960

約数和(自身を除く): 552469620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 484621, 969242, 1453863, 1938484, 2423105, 2907726, 4361589, 4846210, 5815452, 7269315, 8723178, 9692420, 13084767, 14538630, 17446356, 21807945, 26169534, 29077260, 43615890, 52339068, 65423835, 87231780, 130847670, 261695340]

約数ペア:

[(1, 261695340), (2, 130847670), (3, 87231780), (4, 65423835), (5, 52339068), (6, 43615890), (9, 29077260), (10, 26169534), (12, 21807945), (15, 17446356), (18, 14538630), (20, 13084767), (27, 9692420), (30, 8723178), (36, 7269315), (45, 5815452), (54, 4846210), (60, 4361589), (90, 2907726), (108, 2423105), (135, 1938484), (180, 1453863), (270, 969242), (540, 484621)]