131023920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{545933}}^1$

素因数の和:545949

約数の個数: 40

約数和(自身を含む): 406174896

約数和(自身を除く): 275150976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 545933, 1091866, 1637799, 2183732, 2729665, 3275598, 4367464, 5459330, 6551196, 8188995, 8734928, 10918660, 13102392, 16377990, 21837320, 26204784, 32755980, 43674640, 65511960, 131023920]

約数ペア:

[(1, 131023920), (2, 65511960), (3, 43674640), (4, 32755980), (5, 26204784), (6, 21837320), (8, 16377990), (10, 13102392), (12, 10918660), (15, 8734928), (16, 8188995), (20, 6551196), (24, 5459330), (30, 4367464), (40, 3275598), (48, 2729665), (60, 2183732), (80, 1637799), (120, 1091866), (240, 545933)]