255522840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2129357}}^1$

素因数の和:2129371

約数の個数: 32

約数和(自身を含む): 766568880

約数和(自身を除く): 511046040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2129357, 4258714, 6388071, 8517428, 10646785, 12776142, 17034856, 21293570, 25552284, 31940355, 42587140, 51104568, 63880710, 85174280, 127761420, 255522840]

約数ペア:

[(1, 255522840), (2, 127761420), (3, 85174280), (4, 63880710), (5, 51104568), (6, 42587140), (8, 31940355), (10, 25552284), (12, 21293570), (15, 17034856), (20, 12776142), (24, 10646785), (30, 8517428), (40, 6388071), (60, 4258714), (120, 2129357)]