128976420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149607}}^1$

素因数の和:2149619

約数の個数: 24

約数和(自身を含む): 361134144

約数和(自身を除く): 232157724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149607, 4299214, 6448821, 8598428, 10748035, 12897642, 21496070, 25795284, 32244105, 42992140, 64488210, 128976420]

約数ペア:

[(1, 128976420), (2, 64488210), (3, 42992140), (4, 32244105), (5, 25795284), (6, 21496070), (10, 12897642), (12, 10748035), (15, 8598428), (20, 6448821), (30, 4299214), (60, 2149607)]