30405840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{126691}}^1$

素因数の和:126707

約数の個数: 40

約数和(自身を含む): 94258848

約数和(自身を除く): 63853008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 126691, 253382, 380073, 506764, 633455, 760146, 1013528, 1266910, 1520292, 1900365, 2027056, 2533820, 3040584, 3800730, 5067640, 6081168, 7601460, 10135280, 15202920, 30405840]

約数ペア:

[(1, 30405840), (2, 15202920), (3, 10135280), (4, 7601460), (5, 6081168), (6, 5067640), (8, 3800730), (10, 3040584), (12, 2533820), (15, 2027056), (16, 1900365), (20, 1520292), (24, 1266910), (30, 1013528), (40, 760146), (48, 633455), (60, 506764), (80, 380073), (120, 253382), (240, 126691)]